Chem Final Sem1 2024

Front

What varies between isotopes of an element?

Back

Neutrons and atomic mass.

Front

What are Group 2A elements called?

Back

Alkaline earth metals.

Front

What holds ions together in an ionic bond?

Back

The ions have opposite charges.

Front

What is the chemical formula for diphosphorus monoxide?

Back

P₂O.

Front

What is the lowest grade for credit in Chemistry class?

Back

56.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

Define ionic bond.

Back

A chemical bond formed between two ions with opposite charges.

Front

What is the atomic number?

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 properties and atomic structure.

Front

What are alkali metals?

Back

Group 1A elements that are highly reactive and have one electron in their outer shell.