2-1 Flashcardizz Part 2 Identifying an Atom

Front

Changing the number of PROTONS ____ the identity of the atom.

Back

changes

Front

An atom with only 1 proton is:

Back

Hydrogen

Front

The periodic table (PT) is arranged based on __.

Back

increasing # of p+

Front

If I know the number of protons in an atom, I know the element's __.

Back

Atomic Number & Identity

Front

The atomic number is equal to the number of __ in an atom.

Back

protons

Front

What is the definition of an atom?

Back

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

Front

What are protons?

Back

Positively charged particles found in 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.

Front

What is the mass number?

Back

The total number of protons and neutrons in an atom's nucleus.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom that contribute to its mass.