Atoms Vocab Quiz

There are positive, negative, and neutral particles in atoms. What is the name of the positive particles?

• positrons

• neutrons

• electrons

• protons

A model of the helium atom is shown below. Which of the following is a neutron in the picture?

• Option 1

• Option 2

• Option 3

Tags

NGSS.MS-PS1-1

An atom's mass number is composed of the total number of subatomic particles found in the nucleus. These are______

• neutrons and electrons

• protons and neutrons

• protons and electrons

• atoms

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NGSS.MS-PS1-1

The atomic number of an element is determined by the number of

• neutrons.

• electrons.

• protons and neutrons.

• protons.

What is the smallest particle of an element that still retains properties of that element?

• mixture

• compound

• molecule

• atom

Tags

NGSS.MS-PS1-1

What is nitrogen's atomic number?

• 14.0067

• 7

• N

• 5A

Tags

NGSS.MS-PS1-1

According to the diagram above, what is the charge of an electron?

• neutral

• negative

• positive

• positive and neutral

Tags

NGSS.MS-PS1-1

Electrons occupy energy levels that surround the nucleus of an atom. Which term is used to describe the region of space where the electrons are most likely to be found?

• electron hive

• electron cloud

• electron system

• electron space

A model of the helium atom is shown below. Where are the electrons in the picture?

• Inside the nucleus

• Orbiting the nucleus

• Outside the atom

• In the center of the atom

Tags

NGSS.MS-PS1-1

A neutral atom always contains an equal number of

• protons, electrons, and neutrons

• protons and neutrons

• electrons and neutrons

• protons and electrons

Tags

NGSS.MS-PS1-1