Review Flashcardizz (2nd 9-Weeks)

Front

How many neutrons does Beryllium (Be) have?

Back

5

Front

When elements fall under the same row, this means they belong to the same ______.

Back

period

Front

Why is H2O a covalent compound?

Back

It contains only nonmetals.

Front

A __________ is a subatomic particle with a negative charge.

Back

electron

Front

Atoms with few valence electrons (1-3) tend to do what with them?

Back

Lose them.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a covalent bond?

Back

A chemical bond formed by the sharing of electrons between atoms.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

Front

What is the difference between a metal and a nonmetal?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.