Science Chemistry Summative Practice

Label the parts of an atom.

a

b

c

electrons

protons

neutrons

Tags

NGSS.MS-PS1-1

Complete the following table about Flouride. Use your periodic table.

c

e

a

d

b

7

18.998

9

F

10

Tags

NGSS.MS-PS1-1

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the formula to solve for the neutron?

• Mass + Atomic Number= Neutrons
• Mass x Atomic Number = Neutrons
• Mass - Atomic Number = Neutrons
• Mass + Number of Protons = Neutron

Tags

NGSS.MS-PS1-1

How many neutrons does oxygen have?

• 16
• 15.99
• 8
• Doesn't contain any neutrons

Tags

NGSS.MS-PS1-1

An atom with 19 protons, and 19 electrons and a mass of 39 has how many neutrons?

• 19
• 39
• 20
• 58

Tags

NGSS.MS-PS1-1

C₃H₅(NO₃)₃

_Carbon:​ ​ ​ (a)  

_Hydrogen:​ ​ ​ (b)  

_Nitrogen: ​ ​ (c)  

_Oxygen: ​ ​ (d)  

​

• 3
• 5
• 6
• 15
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1

How many Magnesium atoms are in 10MgCl₂?

• 10

• 5

• 20

Tags

NGSS.MS-PS1-1

• 2
• 6
• 15
• 8
• 4

Tags

NGSS.MS-PS1-1

Match the particle with the charge

• -1

• Proton

• 0

• Neutron

• +1

• Electron