What element is represented by Ne
Neon
Hydrogen is in what group?
1
The Hydrogen has an atomic # of what?
1
What element is represented by C
Carbon
How many groups are in the periodic table?
18
How many periods are in the periodic table?
7
What is the atomic mass of K
39
What elemental family does group 1 consist of?
Alkali metals
Which of these elements belongs to the alkaline earth metal group? Mg, K, Na, Ag
Mg
What group # is the noble gases found
18
How would I find the atomic mass of an atom?
Neutrons + Protons
How many neutrons does Nitrogen have?
7
How many electrons does a stable atom of Fluorine have?
9
If an atom of O has a +2 charge we would call that a what?
Ion
What element is liquid at room temp and is a metal?
Mercury
The bottom two rows of the periodic table were discovered later on and added to the chart. What are they called?
Lanthanide and actinide series
What is a compound?
Two or more elements combined
Two or more atoms combined
Is C6 H12 O6 a molecule? Compound? or Both?
Both
How many atoms are involved in the compound NH4?
5
How many valence electrons does Aluminum have?
3
The atomic mass of Potassium is 39 how many neutrons does it have?
20
What is an isotope?
Atom with different # of neutrons
What sub atomic particle never changes for an isotope or ion?
Protons
What are the elements in group 17 called?
Halogens