Atoms class 7

the smallest piece of an element:

• quark

• atom

• shell

• piece of paper

The cloud-like space that electrons travel around:

• nucleus

• shell

• neutrons

• Oort cloud

Protons and neutrons are found in the center of the atom called the:

• nucleus

• neutron

• shell

• cell

Classification system for elements is called:

• Elements

• Periods

• The Periodic Table of Elements

• Families

The subatomic particles are called:

• protons, nucleus and electrons

• protons, electrons and neutrons

• protons, positives and negatives

• cloud, shell and quarks

Substances that have only one kind of atom are called:

• elements

• nitrogen

• electrons

• nucleus

Electrons have a _____ charge.

• neutral

• negative

• positive

• both positive and negative

What is the study of matter?

• Chemistry

• Biology

• Earth Science

• Physics

The abbreviation for an element:

• element name

• atomic number

• chemical symbol

• atomic symbol

Who invented the simplified version of the atom?

• Dmitri Mendeleev

• Niels Bohr

• Sir Isaac Newton

• Albert Einstein