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WorksheetsExam 1 Review
Total questions: 40
Worksheet time: 41mins
H2SO4
How many total atoms are in Al₂(SO₄)₃
17
What is the average mass of this element?
Which of these elements is in this group?
Lithium
Silicon
Aluminum
Strontium
the atoms have more mass concentrated in the nucleus
the atoms have less protons in the nucleus
the atoms have more electrons attracted to the nucleus.
the atoms have more neutrons in the nucleus.
1s22s22p63s23p64s23d10
1s22s22p63s2
What atom matches this electron configuration?
[Xe] 6s24f145d9
Mercury
Gold
Platinum
Thallium
Is the formula P2O3 an ionic or covalent compound?
ionic
covalent
Is the formula Ba(OH)2 an ionic or covalent compound?
ionic
covalent
What is the name for the formula SO3?
sulfur trioxide
sulfur oxide
sulfide oxide
sulfur trioxygen
What is the name for the formula SiO2?
silicon dioxide
silicon oxide
monosilicon dioxide
silicon dioxygen
What is the name for the formula Li3P?
lithium phosphide
trilithium phosphide
lithium phosphorus
trilithium monophosphide
What is the name for the formula Mg3P2?
magnesium phosphide
trimagnesium diphosphide
magnesium phosphorus
trimagnesium diphosporus
What is the correct formula for Iron (II) phosphate?
Fe2PO4
Fe(PO3)2
Fe2(PO4)3
Fe3(PO4)2
Fe3PO4
Which subatomic particle identifies an element?
Proton
Neutron
Electron
Nucleus
What is the name of this element?
Calcium
Helium
Lithium
Boron
Which of the elements in the picture has correct electron dot notation?
1
2
3
4
Which of the elements in the picture has correct electron dot notation?
1
2
3
4
By replacing the element symbol, this could be a diagram of which element?
Li
Al
C
Be
What determines the identity of an atom?
Number of electrons
Number of neutrons
Number of protons
What contribution did Bohr's models provide to the Atomic Theory?
atoms are mostly empty space with a positive nucleus
atoms are solid indivisible particles
atoms are a positive mass with negative particles spread throughout
atoms are composed of energy levels surrounding a nucleus
How did Rutherford determine electrons were negatively charged?
the ray was attracted to the positively charged plate
the ray was attracted to the negatively charged plate
the ray was repelled by the positively charged plate
the ray was deflected back
The identity of this element would be--
Germanium (Ge)
Gallium (Ga)
Aluminum (Al)
Silicon (Si)
The identity of this element would be---
Hydrogen (H)
Lithium (Li)
Beryllium (Be)
Helium (He)
