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Sodium Compounds and Polyatomic Ions

Sodium Compounds and Polyatomic Ions

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to write the formula for sodium bisulfite. It begins by identifying sodium as 'Na' and introduces bisulfite as a polyatomic ion, HSO3, with a charge of one minus. The tutorial discusses the ionic nature of the compound, emphasizing the need to balance charges. Sodium, being in group one, has a charge of one plus, which balances with the bisulfite ion's one minus charge, resulting in a neutral compound. The final formula for sodium bisulfite is NaHSO3.

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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the element symbol for sodium?

Si

Sb

S

Na

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a polyatomic ion?

Na

Cl

HSO3

O2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the sodium ion in sodium bisulfite?

1+

2+

1-

2-

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the bisulfite ion?

1+

2+

1-

2-

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why must the charges in sodium bisulfite add up to zero?

To balance the equation

To ensure it is a neutral compound

To make it a polyatomic ion

To make it a metal

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for sodium bisulfite?

Na2SO4

Na2O

NaCl

NaHSO3

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