Isoptopes
A charged particle is a called a(n):_____
What is ion?
How do you calculate the number of neutrons in an atom?
What is Atomic mass - Atomic number?
How many sig figs does 0.02 have?
What is 1 sig fig?
How many protons and neutrons are in the following nuclei?
56 Fe
26
The experimental calculation of the specific heat of aluminum was found to be .156 cal/g, but the actual value was given as .185 cal/g. What is the percent error?
What is .185-.156/.185 *100= 15.67% ?
Isotopes have the same number of:_____
a) Neutrons
b) Protons
c) Atomic mass
What is protons?
What subatomic particle has no mass?
What is electrons?
1.35m * 2.467m
What is 3.33m?
What is the charge and atomic symbol of a beta radiation?
What is 0 and γ?
A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is its density?
What is 40.5/ 15.0= 2.7 g/mL ?
Carbon-12 and Carbon-14 have a different number of:_____
What is neutrons?
How many electrons fit in the first three energy levels?
What is 2, 8, 18?
What is 6 sig figs?
These emissions are charged:_____
What is α, and β?
If Cl-35 has an atomic mass of 34.97 and a natural abundance of 75.76, and Cl-37 has an atomic mass of 36.97 and a natural abundance of 24.24, what is the numeral setup to calculate the atomic mass of Chlorine?
What is (34.97 u)(0.7576) + (36.97 u)(0.2424)?
Chlorine has 17 protons, 17 neutrons, and 17 electrons. Is this an ion, isotope, or neutral atom?
What is isotope?
When atoms share an electron it is called a:_____
What is a chemical bond?
How many sig figs does 4.7 * 10^8 have?
What is 2 sig figs?
This emission is the most massive (heaviest)?:_____
What is γ?
The average isotopic mass of chlorine is 35.5. What mixture of isotopes produces this average mass?
What is 75% Cl-35 and 25% Cl-37?
How many electrons are in an oxygen atom with a charge of -2?
What is 10 electrons?
An atom of Cl-35 contains?
What is 17 protons, 18 neutrons, and 17 electrons?
Solve and answer in the correct number of sig figs:
1.278 * 10^3m^2 / 1.4267 * 10^2m
When isotope bismuth-213 emits an alpha particle:
a) Write out the nuclear equation
What is 213 Bi ---> 209 Ti + 4 α
83 81 2
What is 200 k?