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7th 2.1 Vocab

Posljednje ažuriranje almost 3 years ago

23 questions

2

2

1

3

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3

1

3

2

4

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3

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3

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1

Pitanje 1

1.

Pitanje 2

2.

Pitanje 3

3.

Pitanje 4

4.

The three main types of chemical bonds exist are

metallic bonds

ionic bonds

covalent bonds

heterogenous bonds

isotopic bonds

homogonous bonds

Pitanje 5

5.

Select all of the scenarios that describe a chemical change:

tearing up a piece of paper

lighting a fire at camp

rusting of iron on a car

an ice cream cone melting

ash from a camp fire blowing in the wind

Pitanje 6

6.

Pitanje 7

7.

Pitanje 8

8.

Select all of the scenarios that describe a physical change

rusting of iron on a car

the wind blowing ash from a camp fire

tearing up a piece of paper

an ice cream cone melting

lighting a fire at camp

Pitanje 9

9.

Pitanje 10

10.

Sort the physical properties as intensive or extensive.

melting point
odor
color
density
texture
length
mass
volume

Intensive Properties
Extensive Properties

Pitanje 11

11.

Pitanje 12

12.

Select the indicators of a chemical change:

production of precipitate

production of light

production of gas

production of heat

color change

shape shift

change in smell

Pitanje 13

13.

Pitanje 14

14.

Pitanje 15

15.

Pitanje 16

16.

Pitanje 17

17.

Pitanje 18

18.

Pitanje 19

19.

Pitanje 20

20.

Pitanje 21

21.

Pitanje 22

22.

Pitanje 23

23.