Sodium Cyanide and Periodic Table Concepts

Sodium Cyanide and Periodic Table Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Mia Campbell

FREE Resource

The video tutorial explains how to write the formula for sodium cyanide. It begins by identifying the element symbols for sodium (Na) and cyanide (CN), noting that cyanide is a polyatomic ion with a charge of 1-. Sodium, found in group one of the periodic table, has a charge of 1+. The tutorial emphasizes that in ionic compounds like sodium cyanide, the charges must balance to zero. Therefore, the formula for sodium cyanide is NaCN. The video concludes with a recap of the formula.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical symbol for sodium?

Na

Sn

S

So

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the cyanide ion (CN)?

1+

2-

2+

1-

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group in the periodic table does sodium belong to?

Group 4

Group 3

Group 2

Group 1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does sodium cyanide not have a net charge?

Because the charges of sodium and cyanide balance each other

Because it is a neutral molecule

Because it is a covalent compound

Because it has no ions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct formula for sodium cyanide?

NaCN

NaC

NaC2

SCN