Periodic table & atomic structure

Front

Subatomic particles with a negative charge

Back

Electrons are subatomic particles that carry a negative charge and are found in the electron cloud surrounding the nucleus of an atom.

Front

The vertical (up and down) columns in the Periodic Table are called

Back

Groups are the vertical columns in the Periodic Table, where elements share similar chemical properties.

Front

How many protons are in Boron?

Back

Boron has 5 protons, which is also its atomic number.

Front

In an atom, the number of protons is equal to the number of ____________.

Back

In a neutral atom, the number of protons is equal to the number of electrons.

Front

An element's identity is determined by the number of

Back

An element's identity is determined by the number of protons in its nucleus.

Front

What are neutrons?

Back

Neutrons are subatomic particles found in the nucleus of an atom that have no charge.

Front

What are protons?

Back

Protons are positively charged subatomic particles located in the nucleus of an atom.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the mass number?

Back

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

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.