Elements
what's the atomic number for gold
is it either 79 56 or 93
79
what is a atom
the basic unit of a chemical element.
what is the element symbol for mercury
hg
How many electrons does "U" have?
92
Group 3 - 12 are known as what?
Transition metals
What are the names for the 2 bottom periods of the periodic table?
Rare Earth Metals
What are atoms made of?
protons, neutrons and electrons
how many protons does xe have?
54
What is the name for the element symbol "Zn"?
Zinc
What is the name for the element symbol "Pb"?
Lead
What are multiple groups of elements called?
families
Are there nuclear reactions going on in our bodies?
No, there are no nuclear reactions occurring in our bodies.
how many neutrons does kr have?
48
What is the element symbol for "Rubidium"?
Rb
What group number are Halogens in?
Group 17
What are the rows in the Periodic table called?
Periods
Are two atoms of the same element identical?
typically not identical.
How many Groups are there in total?
18
what is group 2 called
alkaline earth metals
How many electrons does "K" have?
19
What is group 1 known as?
Alkali Metals
Can sound waves generate heat
YES
What is the biggest group on the periodic table called?
transition metals
what group number is ne in
group 18
Which element is a nonmetal on the same side as metals?
Hydrogen