Chapter 10 & 11 Unit Test (B)

The nucleus of an atom contains protons, neutrons, and electrons.

• True

• False

Tags

NGSS.MS-PS1-1

The ancient Egyptians came up with the idea of the atom.

• True

• False

In what part of the atom are the protons located?

• Nucleus

• Electron Cloud

Atoms contain one or more positively charged particles in their nucleus. These positively charged particles are called.

• Protons

• Neutrons

• Electrons

The nucleus, the tiny center of the atom, contains which two subatomic particles?

• electrons and protons

• protons and neutrons

Which of the following is NOT a model that has been used to explain the structure of the atom?

• The John Lennon Model

• The Electron Cloud Model

• The Plum Pudding Model

What is Dihydrogen Monoxide (DHMO)?

• A poisonous substance.

• A newly-discovered element.

• Water

Tags

NGSS.MS-ESS2-4

Which scientist made a model of the atom as a hard sphere (like a marble)?

• J. J. Thompson

• John Dalton

A scientist comes across an unknown element. It has luster, conducts heat and electricity and is malleable and ductile. This new element will most likely be classified as a

• Metal

• Non-metal

• Metalloid

Elements are arranged on the Periodic Table according to their . . .

• Element Name

• Atomic Number

• Element Symbol