Chemistry Review Semester 1 2024

Front

Which elements are to the LEFT of the zigzag on the periodic table?

Back

Metals are located to the left of the zigzag line on the periodic table.

Front

What charge do protons have?

Back

Protons have a positive charge.

Front

In a covalent bond, how are electrons treated?

Back

In a covalent bond, electrons are shared between atoms.

Front

How do we denote the charges of transition metals?

Back

The charges of transition metals are written using Roman numerals.

Front

Which element has 2 valence electrons?

Back

Calcium (Ca) has 2 valence electrons.

Front

What are nonmetals?

Back

Nonmetals are elements that are typically poor conductors of heat and electricity and are found to the right of the zigzag line on the periodic table.

Front

What is the charge of electrons?

Back

Electrons have a negative charge.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed when two atoms share one or more pairs of electrons.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals and are found along the zigzag line on the periodic table.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an element will react chemically with other elements.