Atoms, Elements, And The Periodic Table Question Preview (ID: 52814)


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To be considered a mixture, what has to happen?
a) 2 or more elements and/or compounds that can be separated
b) 2 or more elements and/or compounds that cannot be separated
c)
d)

To be considered a compound, what has to happen?
a) 2 or more different elements that are chemically combined
b) 2 or more of the SAME element chemically combined
c) 2 or more different elements that can be separated
d) just one of the same element

What does something have to have in order to be classified as matter?
a) Have a mass and take up space
b) Take up space
c) Have a mass
d) Everything is considered matter

How do you find the number of neutrons in an atom?
a) Mass number - Atomic number
b) Atomic Number
c) Mass Number
d) You cannot find it

If elements are in the same row/period on the periodic table, what do they have in common?
a) Same number of electron shells/orbits
b) Same number of Valence Electrons
c) Same atomic number
d) Same mass number

If elements are in the SAME column/group, what do they have in common?
a) They have similar properties
b) The same number of electron shells/orbits
c) The same color
d) The same atomic number

What does the atomic number tell you about an atom?
a) The number of protons and electrons
b) The number of protons ONLY
c) The number of neutrons
d) The number of electrons ONLY

How many columns are there on the periodic table?
a) 18
b) 7
c) 22
d) 8

How many rows are there on the periodic table?
a) 7
b) 18
c) 24
d) 2

Columns on the periodic table are also known as what?
a) Groups
b) Rows
c) Periods
d) Left to right

Rows on the periodic table are also known as what?
a) Periods
b) Columns
c) Groups
d) Families

Electrons that are in the outer most electron shell are known as what?
a) Valence Electrons
b) Valence Neutrons
c) Last Electrons
d) Mass Number

How many electrons can be in the first electron shell? (the one closest to the nucleus)
a) 2
b) 8
c) 18
d) 32

Which subatomic particles are found outside the nucleus of an atom?
a) Electrons
b) Protons
c) Neutrons
d) Protons and Neutrons

Which subatomic particles are found inside the nucleus of an atom?
a) Protons and Neutrons
b) Protons and Electrons
c) Electrons and Neutrons
d) Electrons

Which of the following is NOT a subatomic particle?
a) Mass
b) Protons
c) Neutrons
d) Electrons

Which of the following is a Heterogeneous mixture?
a) Oatmeal raisin cookie
b) chocolate milk
c) salt water
d) tomato soup

Which of the following is considered a Homogenous mixture?
a) Sweet tea
b) Chocolate chip cookie
c) Pepperoni pizza
d) Tossed salad

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