Atoms, Elements, Compounds, The Periodic Table

Use the model shown below to answer the following question. What is the mass number of the atom? (8.5A)

• 6

• 11

• 16

• 10

Tags

NGSS.MS-PS1-1

What are the three main parts of an atom?

• Proton, Neutron, Electron

• Proton, Neutron, Nucleus

• Electron, Nucleus, Shell

• Proton, Electron, Shell

Tags

NGSS.MS-PS1-1

If an atom has an atomic number of 6 and a mass number of 14, how many neutrons does it have?

• 6

• 8

• 14

• 20

Label the parts of an atom.

a

b

c

d

e

electron

nucleus

outer shell

proton

neutron

Tags

NGSS.MS-PS1-1

The positively charged parts of an atom are the

• protons

• electron clouds

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

The smallest particle into which an element can be divided and still be the same substance

• neutron

• atom

• electron

Tags

NGSS.MS-PS1-1

How many neutrons do Scandium atoms have on average?

• 27

• 21

• 45

• 24

Tags

NGSS.MS-PS1-1

The atomic particle with a negative charge is the...

• proton

• neutron

• electron

• nucleus

What is the charge of a neutron?

• Variable

• Positive

• Negative

• Neutral

Which of the following particles is found in the nucleus of an atom?

• Photon

• Proton

• Neutrino

• Electron