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20 questions
What is the Element Symbol for Carbon?
Ca
C
Cb
K
What is the Atomic Number for Carbon? (This will ALWAYS be the smaller number reported on the periodic table)
6
12
18
13
What is the Atomic Mass for Carbon? (This will ALWAYS be the larger number reported on the periodic table)
6
12
18
13
Using the information given, how many electrons does carbon have? How do you know?
6, protons must = electrons in a neutral atom
12, protons + neutrons = mass number
18, add the protons to the atomic mass
13, this is an ion
Atomic number tells us... (Select all that apply)
Number of protons in the nucleus
The identity of the element
Number of electrons if it is a neutral atom
Size of the atom
Number of Valence electrons
Atomic mass tells us...
Number of protons in the nucleus
Number of neutrons in the nucleus
Number of electrons in the cloud
BOTH the number of protons and neutrons in the nucleus
These are found on the Periodic Table...
Compounds
Elements
Mixtures
How are the elements arranged on the periodic table today?
By atomic mass
By number of electrons
By atomic number
By alphabetical order
The vertical (up and down) columns in the Periodic Table are called
groups or families
towers
periods
atomic numbers
What are the horizontal rows (left and right) in the periodic table called?
Families
Groups
Periods
Orbitals
All the elements that are blue and to the left of the stair step ladder are called...
metals
nonmetals
metalloids
noble gases
All the elements that are yellow and to the right of the stair step ladder are called...
metals
nonmetals
metalloids
noble gases
Which of the following elements is in period 2?
K
H
O
Ca
Which of the following elements is in group or family 2?
K
Cs
O
Ca
What is the atomic number for the NEUTRAL atom pictured?
2
6
7
8
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