chemistry comprehension 1

Front

What is a positively-charged particle in the atom's nucleus?

Back

Proton

Front

What is the noble gas configuration for sodium?

Back

[Ne]3s¹

Front

What is the chemical name for BaF₂?

Back

Barium Fluoride

Front

How many protons does the element with atomic number 7 have?

Back

7 protons

Front

What is the formula for manganese(III) oxide?

Back

Mn₂O₃

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of a neutron?

Back

0 (neutral)

Front

What is the charge of an electron?

Back

-1

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number and properties.