Atoms
Atoms and Periodic table
periodic table
Random
Random
100
the 3 subatomic particles
proton, neutron, and electron
100
Two or more atoms bonded together by chemical bonds is called a
Molecule
100
These are vertical columns on a periodic table
groups
100
How many protons are in the following element?
36
100
What is an isotope?
Elements of atoms with the same number of protons but different neutrons
200
the location of protons and neutrons
the nucleus
200
This number tells you the number of protons
the atomic number
200
These are horizontal rows on a periodic table
periods
200
Two isotopes of Magnesium are Mg-24 and Mg-26. How are these isotopes different from each other?
The number of neutrons and atomic mass
200
Which sub atomic particle has the lightest mass?
electrons
300
The atomic number is equal to what?
protons
300
An element is in period 3, group 18 and in the noble gas family. Would it be classified as a metal, nonmetal or metalloid?
nonmetal
300
The atomic mass or mass number tells us how many __________ an element has in its nucleus.
protons and nuetrons
300
WHats the main difference between hydrogen and helium?
a proton
300
What charge does a nuetron have?
nuetral
400
What element is in period 3, group 14
3
400
Name 1 element that acts similar to Ar
helium, neon, krypton, xenon or radon
400
How many neutrons does the following element have?
16
400
How is the periodic table arranged by?
Atomic number mainly
400
How many electrons does the element potassium have?
19
500
How many neutrons are in berylium (Be)
5
500
This is the number of neutrons in the element Cl (chlorine).
18
500
Name one gas that has more than 10 protons
Iodine, Carbon, Sulfur, Silicon, Magnesium, Aluminum
500
Which of the following elements have similar properties to Magnesium?
Calcium, Lithium, Sodium
Calcium (Since elements in the same group/family have similar chemical properties. )
500
What is the amount of nuetrons in isoptope Iodine 127?
74