atoms and their parts
periodicity
electron configuration
bonding
naming
100
correctly label this photo
A: electron
B: neutron
C: proton
100
an element is most likely to have properties similar to those of _______.
the same group
100
how many electrons does Bromine have when neutral?
35
100
salt (NaCl) is a/an _______ molecule.
ionic
100
what is the formula created from the elements Strontium and Sulfur?
hint: simplify
SrS
200
Isotopes are different from one another because of their ______.
mass number
200
what is the least reactive group on the periodic table?
8A, noble gases
200
which is the correct orbital arrangement for fluorine?
C
200
bronze (CuSn) is a/an _______ molecule.
metallic
200
what is the name of the compound formed from Strontium and Sulfur?
strontium sulfide
300
based on the photo, how many protons does indium have?
49
300
fill in the blanks
anions are always _______, while cations are always _______.
negative, positive
300
what element most likely matches the following electron configuration?
[Kr] 5s1 4d10
silver
300
sugar (C₁₂H₂₂O ₁₁) is a/an _______ molecule.
covalent
300
what is the name of a compound formed from Aluminum bonding with sulfur?
aluminum sulfide
400
the number of _______ reveal elements.
protons
400
metals usually form _______, while nonmetals usually form _______.
cations, anions
400
which of the options below is the orbital arrangement for Nitrogen?
A
400
In what type of molecule do atoms bounce their electrons around themselves in a "sea"?
metallic
400
what is the name of the formula below?
KCl
potassium chloride
500
if barium had a 4+ charge, how many electrons would it have?
52
500
what is the most reactive group on the periodic table?
1A, alkali metals
500
what element matches the following electron configuration?
1s2 2s2 2p6
neon
500
In what type of molecule does one atom "steal" or transfer an electron from another
ionic
500
what is the name of the formula below?
P₂Se₅
diphosphorus pentaselenide