IB Chemistry - Diagnostic Quiz

Multiple Choice

The basic building blocks of matter

• Atom

• Elements

• Molecules

• Organisms

Multiple Choice

A group of two or more atoms that are bonded together

• Elements

• Molecules

• essentials elements of life

Multiple Choice

Electrons have a __________ charge.

• Negative

• Neutral

• positive

Multiple Choice

A ________ is a new substance formed by the chemical union of different elements that lose their properties and acquire new ones.

• Compound

• Mixture

• Element

Multiple Choice

What particles are found in the nucleus of the atom?

• neutrons and electrons

• protons and neutrons

• protons and electrons

Multiple Choice

With a compound, the substances ______ be separated with a simple process.

• Can not

• Might

• Can

Multiple Choice

How many different types of atoms are there in the following molecule?

• 7

• 6

• 3

• 8

Multiple Choice

Which of the diagrams below represent a mixture?

• A

• B

• C

• D

Multiple Choice

What is the Periodic Table?

• a chart that lists all the molecules that exist in the universe

• a chart that shows all the elements scientists have discovered

• a chart that shows all the compounds found in the world

• a chart that shows what time periods elements were discovered in

Multiple Choice

What does an element's atomic number represent?

• the element state at room temperature

• how metallic an element is

• the number of atoms in a compound

• the number of protons in an element

Multiple Choice

Which of the following is the correct atomic model for Boron?

Multiple Choice

How many neutrons are in Nitrogen?

*Click the image to make it larger.

• 14

• 7

• 21

Multiple Choice

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Multiple Choice

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

Multiple Choice

What element is this model showing?

• Lithium
• Boron
• Carbon
• Neon

Multiple Choice

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Multiple Choice

The mass of a proton is _______.

• 1 amu
• 1 gram
• has no mass
• undetermined

Multiple Choice

How are elements ordered on the Periodic Table?

• Alphabetical Order
• By their color.
• By their atomic mass.
• By their atomic number.

Multiple Choice

Rows on the period table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

Multiple Choice

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1