Atomic Structure Review

Which subatomic particles are found in the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

Tags

NGSS.MS-PS1-1

What mass does a neutron have?

• 1 amu

• 0 amu

• -1 amu

• +2 amu

The _________ of an element equals the number of protons in an atom of that element.

• mass number

• atomic weight

• atomic number

• isotopes

The mass number of an element that has 18 protons, 18 electrons, and 19 neutrons is _____.

• 12.5

• 13

• 25

• 37

Tags

NGSS.MS-PS1-1

How many neutrons does a silver atom with a mass of 108 amu have?

• 47

• 108

• 61

• 108

Tags

NGSS.MS-PS1-1

What mass does a proton have?

• 1 amu

• 0 amu

• 2 amu

• 3 amu

What mass does an electron have?

• 1 amu

• 0 amu

• -1 amu

• +2 amu

What does the 6 represent?

• Atomic mass

• atomic number

• chemical symbol

• element name

Tags

NGSS.HS-PS1-1

Where is most of the mass in an atom located?

• in the nucleus
• in the protons
• in the neutrons
• in the electrons

Tags

NGSS.MS-PS1-1

What is the atomic number of the atom pictured? 

• 9
• 10
• 18
• 19

Tags

NGSS.MS-PS1-1