General
The charge of a proton
What is +
The atom with atomic number 30
What is zinc
Isotopes are atoms of the same element with different ______ numbers.
What is mass numbers.
The number of protons in a Na atoms.
What is 11
Cations are always (positive or negative)
What is positive
The relative mass of a neutron
What is 1 amu
What 89 stands for in 89Y
What is the mass number/atomic mass
The number of neutrons in Oxygen-17
What is 9
What charge does Potassium have as an ion?
What is 1+ charge
The type of ion (cation or anion) that sulfur will form, and its likely charge
What is an anion and 2- charge
(T/F) All atoms of the same element are identical
What is the symbol of the atom with 50 protons
What is Sn
Protons + Neutrons =
What is Mass Number
The ion with 18 electrons and mass number of 40
What is calcium
How many valance electrons are in a Boron atom?
What are 3 valance electrons
Where the mass of the atom is found
What is the nucleus
The number of electrons in an ion Chlorine
What is 18
A sample of cesium is 75% Cs-133, 20% Cs-132, and 5% Cs-134. What is the average atomic mass?
What is 132.85 amu?
How many electrons does 8035Br1- have
What is 36 electrons
How many electrons are in the outer energy level in a neutral Magnesium atom?
What is 2
The most accurate model of the atom
What is the modern or electron cloud model
The number of protons, neutrons, and elections in 4020Ca2+
p+= 20
no= 20
e-=18
Iodine has three stable isotopes. Iodine-127 with 80% relative abundance, 126I with 17% relative abundance, and Iodine-128 with 3% relative abundance. Calculate the average atomic mass.
What is 126.86 amu
The number of protons neutrons and electrons in an ion of Francium-224
p+= 87
n0= 137
e-= 86
How many valance electrons are in a neutral Phosphorus atom?
What is 5 valance electrons