Sc.8.P.8.7

Front

If an atom contains exactly three protons, then it's an atom of _____

Back

lithium

Front

Identify the atomic mass of Gold (Au)

Back

196.967

Front

What is the atomic number of an atom with 4 protons?

Back

4

Front

All atoms of an element have in their nuclei the same number of...

Back

protons

Front

How many protons does an atom with atomic number 5 have?

Back

5

Front

What is the definition of atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What does the atomic mass represent?

Back

The average mass of an atom of an element, measured in atomic mass units (amu).

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, the number of protons equals the number of electrons.

Front

What is an isotope?

Back

Atoms of the same element that have different numbers of neutrons.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number and properties.