Atomic number
Which element has the atomic #8
Oxygen
What is the 1st element on the periodic table?
Hydrogen
Which direction do periods go on the PERIODic Table
left to right or Horizontal
True or False Carbon(C) is a non-metal
True
What is the 2nd element on the periodic table
Helium
What does atomic number mean
the number of protons and neutrons in the nucleus of the element
which element has the highest atomic mass?
ununoctium
Which way do groups go on the periodic table
up and down or vertical
On the right
what type of metal has the most elements
Metals
How do you find the atomic # of an element?
add the number of protons and neutrons together
what element has an atomic number of 4
beryllium
How many periods are there
are non-metals good conductors of electricity or heat?
No
one way we use helium in everyday life
balloon, phone ect.
if atomic number decreases then what happens to the protons and neutrons?
They decrease
what is the first element in group 7
manganese
How many groups are there on the periodic table
18
True or false most non-metals are gases
True
Whats the highest atomic number on the periodic tabel
119
What element has an atomic number of 60
neodymium
what elements symbol is NE
Neon
What is the 18th group on the periodic table
Noble gases
Is sulfur a non-metal
yes
Is silicon a metal-non-metal or metalloid
metalloid