Chemistry Final Review

A chemical change occurs when a piece of wood ___.

• is cut

• is painted

• rots

• Review Please!

Tags

NGSS.MS-PS1-2

The density of aluminum is 2.70 g/cm³. What is the mass of a solid piece of aluminum with a volume of 1.50 cm³?

• 4.05 g

• 4.20 g

• 0.556 g

• Review Please!

the central part of an atom, containing protons and neutrons

• proton

• nucleus

• atom

• electron

• neutron

the smallest particle of an element that retains the properties of that element

• proton

• nucleus

• atom

• electron

• neutron

Tags

NGSS.MS-PS1-1

a positively charged subatomic particle

• proton

• nucleus

• atom

• electron

• neutron

Tags

NGSS.MS-PS2-3

The nucleus of an atom is ___.

• positively charged and has more protons than neutrons

• negatively charged and has a low density

• the central core and is composed of protons and neutrons

Tags

NGSS.MS-PS1-1

a negatively charged subatomic particle

• proton

• nucleus

• atom

• electron

• neutron

a subatomic particle with no charge

• proton

• nucleus

• atom

• electron

• neutron

What is the smallest particle of an atom?

• electron

• proton

• neutron

• Review Please!

Of the elements Fe, Na, Pt, and Ar, which is a nonmetal?

• Fe

• Na

• Pt

• Ar

• Review Please!