Chemistry Review

Who organized the periodic table of elements?

• Neil Bohr
• Dmitri Mendeleev
• Rachel Carson
• Isaac Newton

What are the three states of matter?

• Frozen, Melted and Liquid
• Solid, Liquid and Gas
• Room temperature, Frozen and Heated
• Heating, Cooling and Liquid

Which is not an example of a chemical change?

• Burning wood
• Cutting paper
• Glow sticks
• Rotting apple

What are the characteristics of a substance that can be observed without changing it into another substance?

• Chemical composition
• Physical characteristics
• Physical properties
• Physical changes

The simplest substance is..?

• Carbon
• An element
• Water
• A simple compound 

Tags

NGSS.MS-PS1-1

What do you call two or more atoms held together by chemical bonds in a set ratio?

• A covalent bond
• An ionic bond
• A molecule or compound
• An element 

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

A neutron has a charge of

• +2
• No charge
• -1
• +1

What do you call the table that lists elements arranged by similar properties? 

• The elemental table of periods
• The elemental table
• The table of elements
• The periodic table of elements 

An electron is a negatively charged subatomic particle found...

• in the nucleus of an atom
• in Orbitals or Shells
• within Qwarks
• next to neutrons