Atoms and elements quiz

Is this an element, mixture or compound?

• Element

• Mixture

• Compound

Tags

NGSS.MS-PS1-1

Which two of these could represent an element?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Two or more different atoms chemically bonded together in the same pattern

• atom
• element
• compound

• mixture

Tags

NGSS.MS-PS1-1

In Chinese "Element" is ​​ (a)  

• 化学元素
• 化合物
• 混合物

In Chinese "Compound" is ​ (a)  

• 化合物
• 化学元素
• 混合物

In Chinese "Mixture" is ​​ (a)  

• 混合物
• 化合物
• 化学元素

Choose the correctly written formula

Tags

NGSS.MS-PS1-1

Choose the correct formula for the following:

1 atom of potassium, 1 atom of nitrogen, 3 atoms of oxygen

Tags

NGSS.MS-PS1-1

Using the periodic table on your desk, find the atomic number and atomic mass of potassium.

Round the atomic mass to the nearest number, ex: 10.8 is 11

a

c

40

29

23

25

19

55

39

Tags

NGSS.MS-PS1-1

Label Selenium's atomic number and atomic mass.

Round up or down to the nearest number ex: 10.8 is 11

a

b

13

79

39

70

78

34

Tags

NGSS.MS-PS1-1