PS Benchmark #3 Review Question Preview (ID: 24129)
Review For Benchmark #3.
TEACHERS: click here for quick copy question ID numbers.
If an atom is neutral, the number of protons is equal to the number of
a) neutrons
b) electrons
c) quarks
d) positrons
Melting candle wax is a ________________ change.
a) chemical
b) irreversible
c) physical
d) easy
A red rose will look red because it
a) reflects red light
b) absorbs red light
c) mixes light
d) it just is that color
Which elements are most similar
a) Na and H
b) Ba and Cl
c) Br and Kr
d) Ar and Kr
What force holds the nucleus of an atom together?
a) weak force
b) strong force
c) gravity
d) electromagnetic force
How many atoms are in the compound CH4?
a) 3
b) 5
c) 2
d) none
Which of the following is a mixture
a) iron shavings
b) calcium tablets
c) tank of helium
d) steel pipe
All group 18 elements are called __________________
a) Noble gases
b) Alkali metals
c) Alkaline Earth metals
d) Transition elements
What is the density of a gas with a volume of 5 mL and a mass of 25 g?
a) 0.15 g/mL
b) 5 kg/L
c) 5 g/mL
d) 0.2 g/mL
Who developed the concept of buoyant force?
a) Newton
b) Einstein
c) Galileo
d) Archimedes
What happens to the particles (in terms of speed) when a substance is heated?
a) They speed up
b) They slow down
c) They are unaffected
d) You cannot add heat to the particles
What do you call a group of charged particles that move together as one thing?
a) Molecule
b) Atoms
c) Monatomic Ion
d) Polyatomic Ion
How many neutrons does Carbon have?
a) 12
b) 8
c) 7
d) 6
What category of elements contain properties of metals and nonmetals?
a) Metalloids
b) Groups 1 and 2
c) Transition metals
d) Noble gases
Which solid type has atoms that are arranged in repeating patterns?
a) Amorphous
b) Hard solids
c) Crystalline
d) Liquids
What is the result of physically combining substances so that each substance maintains its chemical properties?
a) Compound
b) Mixture
c) Element
d) Atom
What is the upward force acting on a compound in a fluid?
a) Buoyancy
b) Weight
c) Gravity
d) Floating
Milk souring is an example of a ___________________ change.
a) Physical
b) Chemical
c) Nasty
d) Color
Chlorine has _________________ neutrons.
a) 18
b) 17
c) 35
d) 0
The atomic number of an atom is always equal to the number of what subatomic particle?
a) Quark
b) Electron
c) Neutron
d) Proton
Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 24129 in the upper right hand corner or click here.
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 24129 in the upper right hand corner or click here.
TEACHERS / EDUCATORS
Log In | Sign Up / Register
Log In | Sign Up / Register