Transcript An atom`s MASS # is the

Chemistry
Unit 3
Welcome to Jeopardy!
With your hosts…. Mrs. Einstein &
Mr. Naturale
The smallest part of an
element is an ______.
And it is made up of ______,
________ and ______.
The nucleus of an atom consists of
_____ and _____.
Neutrons have a _______ charge, and
protons have a ________ charge.
When atoms gain ______, they form
______ions.
List the number of protons, electrons, and
neutrons in each ion
O2H+
F-
atomic mass: 16
atomic mass: 1
atomic mass: 19
Do any of these atoms have complete
valence shells?_____(list them if yes).
What is a valence electron & why
are they important to a chemist?
Draw out the Lewis structure for
calcium
What does the 235 in uranium-235
represent?
1.
2.
3.
4.
5.
Mass number
Atomic number
Molar mass
Number of neutrons
pH level
The atomic symbol for lithium
is___ (show both atomic number and mass number)
Hint: the atomic mass is 7 for lithium.
AND….the top number represents the:
1)
2)
3)
4)
Neutron number
Mass number
Atomic number
Base number
An atom’s MASS # is the:
1.
2.
3.
4.
5.
Neutron# – the proton#
Atomic # - the proton #
Proton# + the electron#
Proton # + the neutron #
Neutron # - the Ph level
The identity of an element is
determined by its:
1.
2.
3.
4.
5.
Neutron #
Proton #
Acidity level
Electron #
Valence Electron #
Nitrogen forms an ion with a CHARGE
of _______
Which atom is most likely to form a 1- ion?
a) Ar
b) Br
c) Mg
d) P
e) K
f) B
What type of elements become
CATIONS? (think of how we grouped
them)