Chemistry First Quarter Benchmark Review Question Preview (ID: 32986)


First Quarter Benchmark Review For Chemistry. TEACHERS: click here for quick copy question ID numbers.

Which is the comparison for the results?
a) control group
b) independent variable
c) dependent variable
d) hypothesis

Which is quantitative?
a) color
b) hardness
c) temperature
d) texture

Which does the experimenter manipulate?
a) independent
b) dependent
c) control
d) results

Which has 4 significant figures?
a) 0.001
b) 4800
c) 3.4210
d) 6.980

What s the value for deci-?
a) one-hundredth
b) one-tenth
c) ten
d) one

How many significant figures are in 450,004,600?
a) 9
b) 7
c) 6
d) 5

How many significant figures are in 0.000302700
a) 6
b) 9
c) 10
d) 3

Which scientist identified the positively charged nucleus?
a) Chadwick
b) Rutherford
c) Bohr
d) Thomson

Which has a charge of 1+?
a) neutron
b) electron
c) proton
d) atom

How many electrons are in an neutral atom of sodium?
a) 11
b) 22
c) 12
d) 23

How many neutrons are in an atom of chlorine?
a) 17
b) 34
c) 18
d) 35

Which element has 14 protons?
a) nitrogen
b) aluminum
c) silicon
d) carbon

Which term describes the amount of mass contained per unit volume?
a) mass
b) length
c) density
d) temperature

Which is the value associated with the prefix nano-?
a) one-billionth
b) one-millionth
c) billion
d) one-thousandth

Which is the correct conversion for a temperature of 54.3°C?
a) 100F
b) 32F
c) 327.3K
d) 218.7K

A nuclear reaction may involve:
a) protons
b) neutrons
c) electrons
d) all of the above

_____ is the splitting of nuclei.
a) fusion
b) fission
c) decay
d) bonding

Alpha particles have a _____ charge.
a) 1+
b) 0
c) 1-
d) 2+

Beta particles have a _____ charge.
a) 1+
b) 0
c) 1-
d) 2+

Gamma rays have a _____ charge.
a) 1+
b) 0
c) 1-
d) 2+

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