review

review

by Anohlin Joseph

​

​

Multiple Choice

A part of the atom that has a negative charge is?

• Proton
• electron
• neutron

Multiple Choice

The central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Multiple Choice

A subatomic particle that has a negative charge is called --

• a proton

• a neutron

• an electron

• the nucleus

Multiple Choice

A neutron is ---

• a subatomic particle with a negative charge.

• a subatomic particle with a neutral charge.

• the center of the atom where subatomic particles are found.

• a subatomic particle with a positive charge.

Multiple Select

Which subatomic particle(s) are found in the electron cloud of an atom? Choose all that apply.

• proton

• neutron

• electron

COMPOUND MOLECULE: TWO ATOMS OF DIFFERENT ELEMENTS SHARING THE SAME ELECTRON

​MOLECULES:TWO ATOMS OF THE SAME ELEMENT

Multiple Choice

• MOLECULE

• COMPOUND MOLECULE

Multiple Choice

• MOLECULE

• COMPOUND MOLECULE

Multiple Choice

• MOLECULE

• COMPOUND MOLECULE

Multiple Choice

• MOLECULES

• COMPOUNDS

Multiple Choice

• MOLECULES

• COMPOUND MOLECULE

​MIXTURES

​

​

​

​MIXTURES

​

Multiple Choice

A combination of pure substances, not in fixed amounts, that can be easily separated.is a

• MIXTURE
• COMPOUND
• ATOM
• PARTICLE

Multiple Choice

What are the two types of Mixtures

• Elements and Subatomic Particles
• Protons and Electrons
• Atoms and Compounds
• Homogenous and Heterogeneous

Multiple Choice

A pure substance that cannot be separated into simpler substances by chemical or physical means.  

• Element
• Compound
• Mixture
• Chemical

Multiple Choice

These contain only one kind of atom. 

• element 
• compound 
• mixture 
• water 

Multiple Choice

A compound is made of ________ atoms. 

• big 
• similar 
• different 

Multiple Choice

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Multiple Choice

This picture represents which of the following?

• element
• compound
• mixture of elements
• mixture of compounds

Multiple Choice

This picture represents which of the following?

• element
• compound
• mixture

Multiple Choice

This picture represents which of the following?

• element
• compound
• mixture

Multiple Choice

The image above shows a...

• molecules

• compounds

• pure substance

• mixture of atoms

Multiple Choice

In this diagram, X represents...

• A compound

• A mixture

• An atom

• An element

Multiple Select

In this diagram, Y represents...

• An element

• A molecule

• A compound

• A mixture

​

​

​VALENCE ELECTRONS ARE THE ELECTRONS ON THE OUTERMOST SHELL OF THE ATOM

​

​

​

Multiple Choice

• 2
• 3
• 5

Multiple Choice

• 12
• 7
• 8
• 14

Multiple Choice

• 7
• 8
• 9
• 10

Multiple Choice

Valence electrons are the...

• Innermost electrons
• Middle electrons
• Outermost electrons
• Any electrons

Multiple Choice

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Multiple Choice

Valence electrons are: 

• Electrons farthest away from the nucleus
• Electrons closest to the nucleus
• Electrons that just come and go - they don't stay with the atom
• Electrons in the second shell