WorksheetsIntroduction to matter
Total questions: 15
Worksheet time: 8mins
What is a substance that cannot be broken down into simpler components
Compound
Element
Atom
Pure substance
What are the three parts of a atom
proton
Neutron
Electron
All of the above
The __ is positive in the atom.
Neutron
Electron
Proton
None of the above
The ____ is neutral in an atom
Electron
Neutron
Proton
Valance electron
The ___ is negative in an atom
Neutron
Electron
Proton
None of the above
What does the atomic number also tell you?
Amount of protons
Amount of neutrons
Element symbol
Amount of electrons
How do you find the # of neutrons?
Atomic mass - Atomic number
Big number - Small number
None of the above
Protons + neutrons
This is the term for anything that has mass and takes up space.
substance
chemical
matter
molecule
What are the smallest particles of matter that make up elements?
molecules
compounds
mixtures
atoms
When two atoms of the same element combine, they form these
molecules
compounds
mixtures
substances
Most of the materials you see everyday are
elements
compounds
mixtures
substances
A group of two or more atoms held together by chemical bonds.
molecule
substance
element
nucleus
Which of these represents an atom?
SO2
H20
C
CH4
Which is true about matter?
Matter has mass
Matter takes up space
Matter is made of atoms and molecules
All of these are true
Which of these represents a molecule?
C
Ca
Na
CO2
