CORRECT SOLUTIONS PASSED
1. Atomic number
The number of protons
of an element?
2. Located in the nucle- Protons and neutrons
us of an atom?
3. Charge of an Negative
elec- tron?
4. Isotopes of an
Neutrons
ele- ment differ
in the number
of which
subatomic
particle?
The sum of the protons and neutrons in the nucleus
5. Mass number of
an atom
6. molecule two nonmetal atoms combined form a covalent compound called a
7. diatomic molecules molecules made up of two atoms of the same element. Exp
H2,O2,F2
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,CART EXAM MDC QUESTIONS & DETAILED
CORRECT SOLUTIONS PASSED
8. Matter Anything that has mass and takes up space
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, CART EXAM MDC QUESTIONS & DETAILED
CORRECT SOLUTIONS PASSED
9. Element A substance that cannot be broken down into simpler substances
10. Compound A pure substance made of two or more elements CHEMICALLY
combined.
11. Mixture A PHYSICAL blend of two or more components
12. homogeneous A mixture that is so evenly mixed that you can't see all of the ditterent
mix- ture
parts. Ex. Air, kool-aid
13. heterogeneous
mix- ture A mixture in which ditterent materials can be seen
easily. Ex. soil, chocolate chip cookies
14. filtration process to separate a solid "precipitate" from a liquid
15. sublimation phase change from solid to gas
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