0.033 in scientific notation form
3.3x10-2
a row on the periodic table is called a
period
electron configuration for hydrogen
1s1
Write the formula of this compound: manganese (II) nitrate
Mn(NO3)2
the type of bond between two nonmetals
covalent
the variable that you are changing in an experiment
independent
group 17 has how many valence electrons
7
full electron configuration for N
1s22s22p3
prefix for 7 in a covalent compound
hepta
1000 mg = ______ g
1 gram
first person to identify the word "atomos"
democritus
which atom has a larger atomic radius: Sr or N?
in an orbital diagram (with boxes and arrows), what do the arrows represent?
electrons
draw the lewis dot structure for the ionic bond: NaCl
these 2 subatomic particles are located inside the nucleus
protons and neutrons
In a famous experiment conducted by Rutherford, positively charged alpha particles were shot at and scattered by a thin piece of gold foil. What part of an atom did the particles bounce off of?
nucleus
These elements do not participate in this trend because they already have an octet
noble gases
write the noble gas electron configuration for Arsenic
[Ar]4s² 3d¹⁰4p³
write the name for the following compound: Fe2O3
iron (III) oxide
how many electrons does this ion have: N-3
10 electrons
different variations of an element that has the same number of protons but different number of neutrons
isotope
why do atoms decrease in atomic radius as you go left to right across a period on the periodic table?
the addition of protons (+ charge) and electrons (-charge) across a row causes the electrons to be pulled in closer to the nucleus since opposites attract
In order of s, p, d, f, write the maximum number of electrons that each sublevel can hold.
2, 6, 10, 14
draw the lewis structure for the following covalent compound: PCl5
balance the following chemical equation:
__(NH4)3PO4 + ___Pb(NO3)4 --> __Pb3(PO4)4 + __NH4NO3
4, 3, 1, 12