OnRamps Chemistry Midterm 1 pratice

Front

Order the following types of electromagnetic radiation in order of increasing energy: Infrared, visible light, ultraviolet, gamma rays.

Back

Infrared, visible light, ultraviolet, gamma rays.

Front

Which subatomic particle is responsible for defining the identity of an element?

Back

Proton.

Front

What is the maximum number of electrons that can occupy the n = 3 shell?

Back

18.

Front

Which subshell can hold a maximum of 10 electrons?

Back

4d.

Front

What are isotopes?

Back

Isotopes of an element have the same number of protons but different numbers of neutrons.

Front

What is the mass number of an element?

Back

The mass number is the total number of protons and neutrons in the nucleus.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is the maximum number of electrons in the second shell (n=2)?

Back

8.

Front

What is the difference between atomic number and mass number?

Back

Atomic number is the number of protons, while mass number is the total number of protons and neutrons.