Subatomic particles flashcard review

Front

What is the notation for Potassium after it loses 1 electron and gains a proton?

Back

The new notation is ⁴⁰Ca²⁺.

Front

How many electrons does a neutral Sulfur atom have?

Back

A neutral Sulfur atom has 16 electrons.

Front

How do you calculate the number of neutrons in an atom?

Back

You round the atomic mass and subtract the atomic number.

Front

What is the charge of an atom with 5 protons, 6 neutrons, and 7 electrons?

Back

The charge of the atom is -2.

Front

What is the new notation for Silicon after it gains 2 neutrons and 2 electrons?

Back

The new notation is ³⁰Si^2-.

Front

Define subatomic particles.

Back

Subatomic particles are the particles that make up an atom, including protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

The charge of a proton is +1.

Front

What is the charge of an electron?

Back

The charge of an electron is -1.

Front

What is the mass of a neutron compared to a proton?

Back

A neutron has approximately the same mass as a proton.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.