Number Of Electrons In Aluminum

Solution: Aluminum has 13 electrons so it will have the electron arrangement (2, 8, 3) which represents two electrons in the n=1 energy level, eight electrons in the n=2 level, and three electrons in the n=3 level. Aluminum has three valence electrons (indicated by the three electrons in the n=3 level).

What Are The Number Of Electrons In Aluminum
Number Of Electrons In Sodium
Number Of Electrons In Aluminum Element

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Likewise, people ask, how many energy levels does aluminum have?

So for the element of ALUMINUM, you already know that the atomic number tells you the number of electrons. That means there are 13 electrons in a aluminum atom. Looking at the picture, you can see there are two electrons in shell one, eight in shell two, and three in shell three.

Similarly, how many energy levels are there in the periodic table? Number of energy levels in each periodThe atoms in the first period have electrons in 1 energy level. The atoms in the second period have electrons in 2 energy levels. The atoms in the third period have electrons in 3 energy levels. The atoms in the fourth period have electrons in 4 energy levels.

Aluminum is number 13 on the Periodic Table so each aluminum atom has 13 protons and 13 electrons.One mole of anything has is 6.022x1023 atoms (Avogadro's number)So 1 mole of aluminum. Clearly, there are 10 electrons associated with a single Al3+ ion. We don't need any chemistry to make this determination. The atomic number specifies the number of positively charged particles in the atomic nucleus. Away (electrons have a negative charge). Since the atomic number is 13, the number of protons is thirteen. In a neutral atom, there However, you must take away 3.

Similarly, how many electrons are in each energy level?

Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n²) electrons.

What is the most common isotope in aluminum?

Just the Facts

Melting Point: 1,220.58 degrees Fahrenheit (660.32 degrees Celsius)
Boiling Point: 4,566 degrees F (2,519 degrees C)
Number of isotopes (atoms of the same element with a different number of neutrons): 22, one stable.
Most common isotopes: Al-27 (stable) and Al-26 (radioactive; half-life 730,000 years)

A. The number of valence electrons in aluminum is

1) 1e^– 2) 2e^– 3) 3e^–

B. The change in electrons for octet requires a

1) loss of 3e^–2) gain of 3e^–3) gain of 5e^–

C. The ionic charge of aluminum is

1) 3^– 2) 5^– 3) 3⁺

D. The symbol for the aluminum ion is

1) Al³⁺ 2) Al^3- 3) Al⁺

Show Answer

A. The number of valence electrons in aluminum is

3) 3e^–

B. The change in electrons for octet requires a

1) loss of 3e^–

C. The ionic charge of aluminum is

3) 3⁺

D. The symbol for the aluminum ion is

1) Al³⁺

A. Number of valence electrons in sulfur is

1) 4e^– 2) 6e^– 3) 8e^–

B. Change in electrons for octet requires a

1) loss of 2e^–2) gain of 2e^–3) gain of 4e^–

C. Ionic charge of sulfur is

1) 2+ 2) 2- 3) 4-

Show Answer

A. Number of valence electrons in sulfur is

2) 6e^–

B. Change in electrons for octet requires a

2) gain of 2e^–

C. Ionic charge of sulfur is

2) 2-

3. Select the correct formula for each of the following ionic compounds

A. Na⁺and S^2-

1) NaS 2) Na₂S 3) NaS₂

B. Al³⁺and Cl^–

1) AlCl₃ 2) AlCl 3) Al₃Cl

C. Mg²⁺ and N^3-

1) MgN 2) Mg₂N₃ 3) Mg₃N₂

Show Answer

A. Na⁺and S^2-

2) Na₂S

check: 2Na⁺ + S^2- = 2(1+) + 1(2-) = 0

B. Al³⁺and Cl^–

1) AlCl₃

check: Al³⁺ + 3Cl^– = (3+) + 3(1-) = 0

C. Mg²⁺and N^3-

3) Mg₃N₂

check: 3Mg²⁺ +2N^3- = 3(2+) + 2(3-) = 0

4. Complete the names of the following ions:

What Are The Number Of Electrons In Aluminum

Ba²⁺Al³⁺ K⁺

_________ __________ _________

N³^– O²^– F^–

_________ __________ _________

P³^– S²^– Cl^–

_________ __________ __________

Show Answer

Ba²⁺Al³⁺ K⁺

barium aluminum potassium

N³^– O²^– F^–

nitride oxide fluoride

P³^– S²^– Cl^–

phosphide sulfide chloride

5. Write the names of the following compounds:

1) CaO ___________

2) KBr ___________

3) Al₂O₃ ___________

4) MgCl₂ ___________

Show Answer

Write the names of the following compounds:

1) CaO calcium oxide

2) KBr potassium bromide

3) Al₂O₃ aluminum oxide

4) MgCl₂ magnesium chloride

6. Select the correct name for each.

A. Fe₂S₃

1) iron sulfide

2) iron(II) sulfide

3) iron (III) sulfide

B. CuO

1) copper oxide

2) copper(I) oxide

3) copper (II) oxide

Show Answer

Select the correct name for each.

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A. Fe₂S₃

3) iron (III) sulfide Fe³⁺S^2-

B. CuO

3) copper (II) oxide Cu²⁺O^2-

7. The correct formula for each of the following is:

A. Copper (I) nitride

1) CuN 2) CuN₃ 3) Cu₃N

B. Lead (IV) oxide

1) PbO₂ 2) PbO 3) Pb₂O₄

Show Answer

The correct formula is

A. Copper (I) nitride

3) Cu₃N 3Cu⁺ + N^3-= 3(1+) + (3-) = 0

B. Lead (IV) oxide

1) PbO₂ Pb⁴⁺ + 2O^2-= (4+) +2(2-) = 0

8. Match each formula with the correct name:

A. MgS 1) magnesium sulfite

MgSO₃ 2) magnesium sulfate

MgSO₄ 3) magnesium sulfide

B. Ca(ClO₃)₂ 1) calcium chlorate

CaCl₂ 2) calcium chlorite

Ca(ClO₂)₂3) calcium chloride

Show Answer

Match each formula with the correct name:

A. MgS 3) magnesium sulfide

MgSO₃ 1) magnesium sulfite

MgSO₄ 2) magnesium sulfate

B. Ca(ClO₃)₂ 1) calcium chlorate

CaCl₂ 3) calcium chloride

Ca(ClO₂)₂2) calcium chlorite

9. Name each of the following compounds:

A. Mg(NO₃)₂

B. Cu(ClO₃)₂

C. PbO₂

D. Fe₂(SO₄)₃

E. Ba₃(PO₃⁾₂

Show Answer

Name each of the following compounds:

A. Mg(NO₃)₂magnesium nitrate

B. Cu(ClO₃)₂copper(II) chlorate

C. PbO₂lead (IV) oxide

D. Fe₂(SO₄)₃iron(III) sulfate

E. Ba₃(PO₃)₂barium phosphite

10. Write the correct formula for each:

A. potassium bromate

B. calcium carbonate

C. sodium phosphate

D. iron(III) oxide

E. iron (II) nitrite

Show Answer

Write the correct formula for each:

A. potassium bromate KBrO₃

B. calcium carbonate CaCO₃

C. sodium phosphate Na₃PO₄

D. iron(III) oxide Fe₂O₃

E. iron (II) nitrite Fe(NO₂)₂

11. Name the following compounds:

A. Ca₃(PO₄)₂

B. FeBr₃

C. Al₂S₃

D. Zn(NO₂)₂

E. NaHCO₃

Show Answer

Name the following compounds:

A. Ca₃(PO₄)₂Ca²⁺ PO₄³⁻calcium phosphate

B. FeBr₃Fe³⁺ Br⁻iron(III) bromide

C. Al₂S₃Al³⁺ S²⁻aluminum sulfide

D. Zn(NO₂)₂Zn²⁺ NO₂⁻zinc nitrite

E. NaHCO₃Na⁺ HCO₃⁻sodium hydrogen carbonate

12. Write the formulas for the following:

A. calcium nitrate

B. iron(II) hydroxide

C. aluminum carbonate

D. copper(II) bromide

E. lithium phosphate

Show Answer

Write the formulas for the following:

A. calcium nitrate Ca²⁺, NO₃⁻ Ca(NO₃)₂

B. iron(II) hydroxide Fe²⁺, OH⁻ Fe(OH)₂

C. aluminum carbonate Al³⁺, CO₃²⁻ Al₂(CO₃)₃

D. copper(II) bromide Cu²⁺, Br⁻ CuBr₂

E. lithium phosphate Li⁺, PO₄³⁻ Li₃PO₄

13. Match each formula with the correct name:

A. MgS 1) magnesium sulfite

MgSO₃ 2) magnesium sulfate

MgSO₄ 3) magnesium sulfide

B. Ca(ClO₃)₂ 1) calcium chlorate

CaCl₂ 2) calcium chlorite

Ca(ClO₂)₂3) calcium chloride

Show Answer

Match each formula with the correct name:

A. MgS 3) magnesium sulfide

MgSO₃ 1) magnesium sulfite

MgSO₄ 2) magnesium sulfate

B. Ca(ClO₃)₂ 1) calcium chlorate

CaCl₂ 3) calcium chloride

Ca(ClO₂)₂2) calcium chlorite

14. Name each of the following compounds:

A. Mg(NO₃)₂

B. Cu(ClO₃)₂

C. PbO₂

D. Fe₂(SO₄)₃

E. Ba₃(PO₃⁾₂

Show Answer

Name each of the following compounds:

A. Mg(NO₃)₂magnesium nitrate

B. Cu(ClO₃)₂copper(II) chlorate

C. PbO₂lead (IV) oxide

D. Fe₂(SO₄)₃iron(III) sulfate

E. Ba₃(PO₃)₂barium phosphite

15. Select the correct formula for each:

A. aluminum nitrate

1) AlNO₃2) Al(NO)₃ 3) Al(NO₃)₃

B. copper(II) nitrate

1) CuNO₃ 2) Cu(NO₃)₂ 3) Cu₂(NO₃)

C. iron (III) hydroxide

1) FeOH 2) FeOH₃3) Fe(OH)₃

D. tin(IV) hydroxide

1) Sn(OH)₄ 2) Sn(OH)₂ 3) Sn₄(OH)

Show Answer

Select the correct formula for each:

A. aluminum nitrate

3) Al(NO₃)₃

B. copper(II) nitrate

Number Of Electrons In Sodium

2) Cu(NO₃)₂

C. iron(III) hydroxide

3) Fe(OH)₃

D. tin(IV) hydroxide

1) Sn(OH)₄

16. Write the correct formula for each:

A. potassium bromate

B. calcium carbonate

C. sodium phosphate

D. iron(III) oxide

E. iron (II) nitrite

Show Answer

Write the correct formula for each:

A. potassium bromate KBrO₃

B. calcium carbonate CaCO₃

C. sodium phosphate Na₃PO₄

D. iron(III) oxide Fe₂O₃

E. iron (II) nitrite Fe(NO₂)₂