Atoms and Periodic Table

Front

What is the identity of an element with 20 protons?

Back

Calcium

Front

Valence Electrons determine an element's _____________.

Back

Reactivity

Front

Which letter represents the nucleus in an atomic model?

Back

T

Front

Atoms with similar properties are most likely located...

Back

in the same group.

Front

What element is represented by the atomic model with 5 protons?

Back

Boron (B)

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.