Barium and Bromine Compounds

Barium and Bromine Compounds

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to write the formula for barium bromide by using the periodic table to identify barium and bromine. It describes the nature of ionic compounds, focusing on the charges of barium and bromine. The crisscross method is introduced to balance the charges and derive the correct formula, BaBr2. The tutorial concludes with a verification of the formula to ensure the charges add up to zero.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the symbols for Barium and Bromine as found on the periodic table?

Ba and B

Ba and Br

B and Br

Be and Br

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of compound is formed when a metal and a non-metal combine?

Covalent compound

Ionic compound

Molecular compound

Metallic compound

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ionic charge of Barium in group 2 of the periodic table?

1+

2+

1-

2-

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you balance the charges when writing the formula for an ionic compound?

By using the crisscross method

By using covalent bonds

By adding electrons

By changing the element

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for Barium Bromide after applying the crisscross method?

BaBr

BaBr2

Ba2Br

Ba2Br2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we not write the subscript '1' in chemical formulas?

It indicates a double bond

It changes the compound

It is only used for metals

It's unnecessary by convention

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you verify that the formula for Barium Bromide is correct?

By checking the color

By ensuring the net charge is zero

By measuring the mass

By testing its solubility

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the net charge of Barium Bromide when the formula is correct?

+1

0

-1

+2