CHEM 121 TEST 1 LIBERTY
UNIVERSITY QUESTIONS & CORRECT
PASSED ANSWERS
Hydrogen (H) - Correct Answer ✔✔ 1
Helium (He) - Correct Answer ✔✔ 2
Lithium (Li) - Correct Answer ✔✔ 3
Beryllium (Be) - Correct Answer ✔✔ 4
Boron (B) - Correct Answer ✔✔ 5
Carbon (C) - Correct Answer ✔✔ 6
Nitrogen (N) - Correct Answer ✔✔ 7
Oxygen (O) - Correct Answer ✔✔ 8
Florine (F) - Correct Answer ✔✔ 9
Neon (Ne) - Correct Answer ✔✔ 10
Sodium (Na) - Correct Answer ✔✔ 11
Magnesium (Mg) - Correct Answer ✔✔ 12
Aluminum (Al) - Correct Answer ✔✔ 13
Silicon (Si) - Correct Answer ✔✔ 14
Phosphorus (P) - Correct Answer ✔✔ 15
Sulfer (S) - Correct Answer ✔✔ 16
Chlorine (Cl) - Correct Answer ✔✔ 17
Argon (Ar) - Correct Answer ✔✔ 18
Density - Correct Answer ✔✔ mass/volume
, K=C+273.15 - Correct Answer ✔✔ Celsius to Kelvin
F = 1.8C + 32 - Correct Answer ✔✔ Celsius to Fahrenheit
C= 5/9 (F-32) - Correct Answer ✔✔ Farenheit to Celsius
Giga (G) - Correct Answer ✔✔ 10^9
Mega (M) - Correct Answer ✔✔ 10^6
kilo (k) - Correct Answer ✔✔ 10^3
deci (d) - Correct Answer ✔✔ 10^-1
centi (c) - Correct Answer ✔✔ 10^-2
milli (m) - Correct Answer ✔✔ 10^-3
micro (u thing) - Correct Answer ✔✔ 10^-6
nano (n) - Correct Answer ✔✔ 10^-9
pico (p) - Correct Answer ✔✔ 10^-12
femto (f) - Correct Answer ✔✔ 10^-15
Sn - Correct Answer ✔✔ Tin
Dalton's Theory - Correct Answer ✔✔ 1)All matter is made of atoms. (Y) Atoms are
indivisible and indestructible. (N)
2) All atoms of a given element are identical in mass and properties. (N)
3) Compounds are formed by a combination of two or more different kinds of atoms. (Y)
4) A chemical reaction is a rearrangement of atoms. (Y)
J.J. Thompson - Correct Answer ✔✔ Discovered the electron, postulated the "plum-
pudding" model
Millikan - Correct Answer ✔✔ determined the charge of the electron
Rutherford - Correct Answer ✔✔ Disproved the "plum-pudding" model, postulated
nuclear model.
Chadwick - Correct Answer ✔✔ Discovered the neutron
A = atomic mass - Correct Answer ✔✔ number of protons + number of neutrons
UNIVERSITY QUESTIONS & CORRECT
PASSED ANSWERS
Hydrogen (H) - Correct Answer ✔✔ 1
Helium (He) - Correct Answer ✔✔ 2
Lithium (Li) - Correct Answer ✔✔ 3
Beryllium (Be) - Correct Answer ✔✔ 4
Boron (B) - Correct Answer ✔✔ 5
Carbon (C) - Correct Answer ✔✔ 6
Nitrogen (N) - Correct Answer ✔✔ 7
Oxygen (O) - Correct Answer ✔✔ 8
Florine (F) - Correct Answer ✔✔ 9
Neon (Ne) - Correct Answer ✔✔ 10
Sodium (Na) - Correct Answer ✔✔ 11
Magnesium (Mg) - Correct Answer ✔✔ 12
Aluminum (Al) - Correct Answer ✔✔ 13
Silicon (Si) - Correct Answer ✔✔ 14
Phosphorus (P) - Correct Answer ✔✔ 15
Sulfer (S) - Correct Answer ✔✔ 16
Chlorine (Cl) - Correct Answer ✔✔ 17
Argon (Ar) - Correct Answer ✔✔ 18
Density - Correct Answer ✔✔ mass/volume
, K=C+273.15 - Correct Answer ✔✔ Celsius to Kelvin
F = 1.8C + 32 - Correct Answer ✔✔ Celsius to Fahrenheit
C= 5/9 (F-32) - Correct Answer ✔✔ Farenheit to Celsius
Giga (G) - Correct Answer ✔✔ 10^9
Mega (M) - Correct Answer ✔✔ 10^6
kilo (k) - Correct Answer ✔✔ 10^3
deci (d) - Correct Answer ✔✔ 10^-1
centi (c) - Correct Answer ✔✔ 10^-2
milli (m) - Correct Answer ✔✔ 10^-3
micro (u thing) - Correct Answer ✔✔ 10^-6
nano (n) - Correct Answer ✔✔ 10^-9
pico (p) - Correct Answer ✔✔ 10^-12
femto (f) - Correct Answer ✔✔ 10^-15
Sn - Correct Answer ✔✔ Tin
Dalton's Theory - Correct Answer ✔✔ 1)All matter is made of atoms. (Y) Atoms are
indivisible and indestructible. (N)
2) All atoms of a given element are identical in mass and properties. (N)
3) Compounds are formed by a combination of two or more different kinds of atoms. (Y)
4) A chemical reaction is a rearrangement of atoms. (Y)
J.J. Thompson - Correct Answer ✔✔ Discovered the electron, postulated the "plum-
pudding" model
Millikan - Correct Answer ✔✔ determined the charge of the electron
Rutherford - Correct Answer ✔✔ Disproved the "plum-pudding" model, postulated
nuclear model.
Chadwick - Correct Answer ✔✔ Discovered the neutron
A = atomic mass - Correct Answer ✔✔ number of protons + number of neutrons
