Elements
What element has 3 protons?
Lithium
How many valence electrons do noble gases have (except helium)?
8
Is water a compound?
Yes
What subatomic particle has a neutral charge?
Neutron
What is the chemical formula for water? (examples: NaCl, H2SO4, etc.)
H20
Which element has atomic number 1?
Hydrogen
Which category is helium in?
Noble gases
What determines the reactivity of an atom: the protons, neutrons, or electrons?
The electrons
What are the parts of an atom?
Protons, neutrons, and electrons
Possible answers: lithium, sodium, potassium, rubidium, cesium, francium
Which element has 2 protons?
Helium
What category has all the elements in group 17?
Halogens
Name one compound that has neon in it.
Trick question! There are no compounds with neon in it because neon is a noble gas.
Proton
What is the common name for NaCl?
Which element has the atomic symbol O?
Oxygen
What category has all the atoms with only 1 electron in their outer shell?
Alkali metals
When an alkali metal and a halogen react, which one loses an electron?
The alkali metal
The electron
What groups are transition metals in?
3 to 12
Iron
What category has all the elements that are kind of like metals and kind of like nonmetals?
Metalloids
When sodium reacts with chlorine, what does it make?
Salt
How many protons do 2 atoms of helium have?
4
What is element 118 called?
Oganesson
How many elements are there?
118
What category is underneath the lanthanides on the periodic table?
The actinides
Two hydrogen atoms and an oxygen atom bond to form a molecule. The molecules is a liquid. Is it safe to drink?
Yes, it's water!
How many electrons does a water molecule have?
10
Name 12 elements.
Possible answers: any 12 elements