Biology -basic Chemistry/characteristics of life

Front

If an atom has different neutron numbers but the same proton and electron numbers, it is considered a(n) ______.

Back

isotopes

Front

What are found in the space surrounding the nucleus of an atom? Options: protons, electrons, neutrons, ions

Back

electrons

Front

If an atom contains 3 protons, 4 neutrons, and 3 electrons, what is its mass number?

Back

7

Front

If an atom contains 11 protons and 12 neutrons, its atomic number is

Back

11

Front

A covalent bond is formed as a result of

Back

sharing electrons

Front

The basic unit of matter is the

Back

atom

Front

An element is

Back

a substance made up of only one kind of atom and a substance listed on the periodic table.

Front

Neutrons and ___________ are found in the nucleus of an atom.

Back

protons

Front

Which subatomic particle is involved in chemical bonds? Options: protons, neutrons, electrons, ions

Back

electrons

Front

An atom is considered neutral because its protons and electrons are equal in number.

Back

True