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Subatomic Paritcles
Sig Figs
Elements
Physical vs. Chemical Properties
Scientists
100
What type of charge do electrons have?
Negative charge
100
How many significant figures are in the measurement? 12.500 kg
5 sig figs
100
What element has 17 protons?
Chlorine
100
Color is a ___________property.
Physical
100
Who came up with the "Plum Pudding" model of the atom?
J. J. Thomson
200
Name the amount of subatomic particles in Mercury.
P=80 N=120 E=80
200
Take the following out of scientific notation 1.850 X 10`3 (`3 = -3 power)
0.001850
200
What substance is made from mixing H, O, and Na?
H+O+Na= salt water
200
Odor is a chemical property. True or False?
False
200
This scientist figured out how electrons move in ordinances.
Neils Bohr
300
The number of subatomic particles in Oganesson (Og)
P= 180 E= 180 N= 176 ---------- 474
300
Write 0.0360 in scientific notation.
3.60 x 10`2 (`2= -2 power)
300
What is the atomic mass of an element with 20 protons?
40.08
300
Combustibility is a ____________ property and it is ____________.
Chemical Intensive property
300
James Chadwick discovered neutrons. True or False?
False
400
Calculate the atomic mass of Gold (Au)
197
400
Take the following out of Scientific Notation 6.98000 X 10 2 (2 is a power)
968.000
400
Name elements 1-10.
1. Hydrogen 2. Helium 3. Lithium 4. Beryllium 5. Boron 6. Carbon 7. Nitrogen 8. Oxygen 9. Fluorine 10. Neon
400
Melting point is a _________ property.
Physical
400
Came up with the Atomic Theory to explain how atoms interact.
John Dalton
500
What is the average recorded mass for Zinc (Zn)?
Average mass= 65.41
500
Calculate the equation and round to the correct number of significant figures. 19.365-8.2
11.2
500
Who sang the periodic table song?
Tom Lehrer
500
Burns when heated in the presence of Oxygen.
Combustibility
500
Who gave specific charge of electrons?
Robert Millikan