Periodic Table and Atoms Test

Front

Which statement correctly describes the location and charge of the electrons in an atom? Options: The electrons are inside the nucleus and have no charge. The electrons are outside the nucleus and have no charge. The electrons are outside the nucleus and have a negative charge. The electrons are inside the nucleus and have negative charge.

Back

The electrons are outside the nucleus and have a negative charge.

Front

Which particles are positively charged and located in the nucleus of an atom?

Back

Proton

Front

What are the two subatomic particles found inside the nucleus?

Back

Protons and neutrons

Front

The nucleus  __________.

Back

is in the center of the atom

Front

Helium (He) is the second element on the Periodic Table. How many protons would a helium atom have?

Back

2

Front

What is the atomic number of Oxygen?

Back

8

Front

If I had a mystery atom, and I knew it had 11 protons and a mass of 20, how many electrons does it have?

Back

11

Front

Most of the elements on the periodic table are classified as _____

Back

Metals

Front

This group of elements sit along a stair step line on the periodic table and have properties of both metals and nonmetals. _________________________

Back

metalloids

Front

From this element key of Nitrogen, determine the atomic mass of nitrogen

Back

14.01