Do Now Test (1-18)

Front

What does the chemical formula 4Li2O represent?

Back

It represents 2 elements (Lithium and Oxygen), with a total of 8 atoms of Lithium and 4 atoms of Oxygen.

Front

Which element is represented by the Bohr Model shown?

Back

Phosphorus.

Front

Is the chemical equation CH4 + 2O2 → CO2 + 2H2O balanced or unbalanced?

Back

Balanced.

Front

How many protons does Gold have?

Back

79 protons.

Front

What classification do Chlorine, Radon, Neon, and Oxygen belong to?

Back

Nonmetals.

Front

What is the atomic number of an element?

Back

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

Front

What is a Bohr Model?

Back

A diagram that represents the arrangement of electrons in an atom, showing energy levels.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides of the equation.

Front

What are nonmetals?

Back

Elements that are typically poor conductors of heat and electricity and have high ionization energies.

Front

What is the significance of protons in an atom?

Back

Protons determine the atomic number and identity of an element.