1L - Chemistry Review Part 6 Question Preview (ID: 2761)
Grade 9 Locally Developed Science. Chemistry Review: Periodic Table.
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The elements in the periodic table are arranged in order of their
a) atomic number
b) atomic mass
c) reactivity
d)
What is the element symbol for FLUORINE?
a) Fe
b) F
c) Li
d)
What is the atomic mass of FLUORINE?
a) 9
b) 10
c) 19
d)
What is the atomic number of FLUORINE?
a) 9
b) 10
c) 19
d)
How many ELECTRONS are in FLUORINE?
a) 9
b) 10
c) 19
d)
What is the element symbol for MAGNESIUM ?
a) M
b) Mn
c) Mg
d)
What is the atomic mass of MAGNESIUM?
a) 12
b) 15
c) 24
d)
What is the atomic number of MAGNESIUM?
a) 12
b) 15
c) 24
d)
How many ELECTRONS are in MAGNESIUM?
a) 12
b) 15
c) 24
d)
How many NEUTRONS are in LITHIUM?
a) 3
b) 4
c) 7
d)
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