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Chemical Reactions Test_25.26_2

Last updated about 1 month ago

20 Nsɛmmisa

1

1

1

1

1

1

1

1

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

What vocabulary word does this picture show?

Ionic bond

Atom

Chemical reaction

Products

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

What vocabulary word does this picture show?

Chemical equation

Reactants

Chemical bond

Law of conservation of mass

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

What vocabulary word does this picture show?

Covalent bond

Products

Molecule

Chemical equation

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

What vocabulary word does this picture show?

Molecule

Atom

Chemical reaction

Energy

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

What vocabulary word does this picture show?

Energy

Metallic bond

Reactants

Ionic bond

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

What vocabulary word does this picture show?

Metallic bond

Atom

Ionic bond

Chemical equation

1

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

Ion

null

Energy

null

Chemical reaction

null

1

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

Covalent bond

null

Law of conservation of mass

null

Molecule

null

Asemmisa {{asɛmmisaAhyɛnsode}}

9.

Look at the picture. It shows the reactants and products in the elephant toothpaste reaction. What are the reactants?

null

null

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Look at the picture. It shows the reactants and products in the elephant toothpaste reaction. What is the product?

null

null

1

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Is this equation balanced?

Yes

No

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

Is this equation balanced?

Yes

No

1

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

16.

Is this equation balanced?

Yes

No

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

18.

How do you know that a chemical reaction is happening in the picture?

The reactants and products are not equal.

The color changed.

The temperature stayed the same.

Asemmisa {{asɛmmisaAhyɛnsode}}

19.

Balance the chemical equation.

Asemmisa {{asɛmmisaAhyɛnsode}}

20.

Balance the chemical equation.

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

Why? How do you know?

The reactants and the products are equal.

The reactants and products are not equal.

The reactants and products are different.

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

Why? How do you know?

The reactants and products are equal.

The reactants and products are not equal.

There are 5 Ag on the reactants side and 3 Ag on the products side.

Asemmisa {{asɛmmisaAhyɛnsode}}

15.

What is the correct way to balance this equation?

null

null

null

Asemmisa {{asɛmmisaAhyɛnsode}}

17.

Why? How do you know?

The reactants and products are equal.

The reactants and products are not equal.

The reactants are bigger than the products.