Mod 16 Review

What do we call the tiny core at the center of an atom, containing most of the atom’s mass and all of its

• electron

• neutron

• proton

• nucleus

The "building blocks" of matter are:

• electrons

• atoms and molecules

• found only in the plasma state.

• as of yet undiscovered.

Tags

NGSS.MS-PS1-1

Atoms with the same atomic number but different atomic mass are called:

• prototypes

• subtypes

• isotopes

• ions

What is the fundamental property of matter that can either be positive or negative?

• charge

• mass

• magnetism

• gravity

Tags

NGSS.MS-PS2-3

Compared to protons, electrons have:

• much smaller mass and opposite charge.

• about the same mass and opposite charge.

• much larger mass and the same charge.

• much larger mass and opposite charge.

The ____ is one kind of particle that makes up the atom and carries a positive charge.

• electron

• proton

• neutron

• plasma

Tags

NGSS.MS-PS1-1

Atomic number is:

• the number of electrons and protons in an atom.

• the number of neutrons and protons in an atom.

• the number of electrons in an atom.

• the number of protons in an atom.

A particle with zero charge found in the nucleus of an atom is called a(n):

• electron

• proton

• neutron

• positron

The mass of an electron is about:

• 1800 times heavier than a proton.

• 1800 times lighter than a proton.

• 10,000 times heavier than a proton.

• 10,000 times lighter than a proton.

The mass of an atom is determined mainly by the:

• mass of the neutrons.

• mass of the neutrons and protons.

• mass of the electrons.

• mass of the electrons and neutrons.