Atomic structure

Front

What is the atomic radius?

Back

The atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons.

Front

Which element has the largest atomic radius: Sodium (Na), Potassium (K), Rubidium (Rb), or Cesium (Cs)?

Back

Cesium (Cs) has the largest atomic radius.

Front

What primarily determines the atomic mass of an element?

Back

The atomic mass is primarily determined by the number of protons and neutrons in the nucleus.

Front

What are the fundamental subatomic particles?

Back

The fundamental subatomic particles are protons, neutrons, and electrons.

Front

Which of the following is NOT a fundamental subatomic particle: Proton, Neutron, Electron, or Molecule?

Back

Molecule is NOT a fundamental subatomic particle.

Front

How is the periodic table organized?

Back

The periodic table is organized by increasing atomic number.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

What is an atom?

Back

An atom is the smallest unit of an element that retains the properties of that element.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).