Structure
Carbon is an example of
What are elements
Oxygen has ____ protons.
8
The group on the periodic table that does not react with any other elements?
What are noble gases?
Salt (NaCl) is an example of
What is a compound?
The atomic number tells you
The number of protons
Flourine has ____ neutrons.
10
Why is the first group on the periodic table the most reactive?
What is it only has 1 valence electron?
Electrons that are in outermost energy level is commonly referred to as this
What is valence electron
Magnesium is in group ___ and period ___.
2, 3
Which gorup will elements in group 1 most easily combine with?
What is group 17?
Sand and water are an example of
What is mixture?
How do you determine the number of neutrons?
Subtract the atomic mass and the atomic number
Which element has the most valence elctrons?
Li, B, N, Ne
Ne
A type of bond when elements share electrons?
What is covalent?
Draw a bohr model for Carbon
(6 protons, 6 neutrons, 6 electrons)
(2 electrons in the first orbit, 4 in the second)
Draw the atomic model for water (H2O).
(must have key- 2 H and 1 O)
Chemical reactions for an element are determined by
What is the number of valence electrons
Which element has the most energy levels?
H, Li, Na, K
K
A type of chemical bond that transfers electrons?
What is ionic bonds?