Chemistry - Chapter 1 (A) Question Preview (ID: 33975)
Intro To Matter 6th Grade Test Practice - WMS.
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Anything that has mass and takes up space is called _________
a) matter
b) energy
c) heterogeneous
d) homogeneous
What holds atoms together in a molecule?
a) gravity
b) density
c) chemical bonds
d) physical bond
H2O, C12H22O11 and CO2 are examples of ___________________
a) chemical properties
b) chemical formulas
c) chemical symbols
d) chemical bonds
Soil, salad and sugar water are examples of _________________. They can be easily separated.
a) elements
b) mixtures
c) molecules
d) compounds
Which scientist found that an atom is mostly empty space?
a) John Dalton
b) JJ Thompsen
c) Ernst Rutherford
d) Niels Bohr
Where can a list of every element be found?
a) Periodic Table of the Elements
b) online
c) Mendeleev's elements
d) There is no list.
One example of a physical property is _________________
a) burning paper
b) baking cookies
c) toasting marshmallows
d) dissolving sugar in water
_____________ travel around the nucleus in energy levels with a negative charge.
a) Protons
b) Neutrons
c) Electrons
d) Nuclei
Table salt (NaCl) and water (H2O) are examples of ________________
a) elements
b) compounds
c) atoms
d) mixtures
___________ mixture are evenly spread out and you cannot see the parts.
a) Homogeneoous
b) Heterogeneous
c) Substance
d) Molecular
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