On the Periodic Table
Subatomic Particles
Vocab
Nuclear Notation
Bohr Models
Radioactivity
Throwback
100
This is the name of the reactive Group 1 metals.
What are the Alkali Earth Metals?
100
This particle has a positive charge.
What is a proton?
100
The atomic number is the same as the number of this particle.
What is a proton?
100
The isotope symbol of Calcium-40, an element with 20 protons and 20 neutrons.
100
lithium-6
100
A nuclear reaction involves ONLY this part of the atom.
What is the nucleus?
100
Flammability is an example of a _________________
chemical property
200
This group is known as the halogens and always forms -1 ions
What is Group 17?
200
This particle's only contribution to the atom is to give the atom more mass.
What is a neutron?
200
This is a group of atoms that all share the same number of protons but have different numbers of neutrons.
What is an isotope?
200
The nitrogen isotope with 8 neutrons
200
Magnesium-24
200
This nuclear reaction is defined as an atomic nucleus splitting into smaller pieces.
What is fission?
200
Freezing point is an example of a ________________
physical property
300
This group's atoms all have 5 valence electrons and form -3 ions.
What is Group 15/the Pnictogens?
300
Found in the nucleus.
What are protons and neutrons
300
When atoms have a different number of electrons and protons.
What are Ions
300
Atomic number 13 and a mass of 28
300
potassium-39
300
The length of time it will take half of a radioactive isotope to go through decay.
What is half-life?
300
A cube has a density of 10g/cm3, you cut it in half, what is the density now?
10g/cm3
400
This element has 6 valence electrons in its outer shell and 3 total electron shells.
Sulfur
400
Have a neutral charge
What are neutrons?
400
A negative ion
anion
400
6 Protons and 8 neutrons
400
neon-20
400
An alpha particle is also known as a nucleus of this atom, since it is made up of 2 protons and 2 neutrons.
What is helium?
400
This is a property of matter that is independent of the amount of substance.
What is an intrinsic property?
500
The most common isotope of Gold contains these subatomic particles in these numbers:
Protons - 79
Neutrons - 118
Electrons - 79
500
This particle has virtually no mass.
What is an electron?
500
positive ion
cation
500
Sodium with a mass of 23 and 10 electrons
500
lanthanum-139
500
This type of nuclear radiation penetrates more shielding than any other, and is used to start nuclear chain reactions.
What is neutron radiation?
500
A cylinder with this density might have a volume of 9.0 mL and a mass of 24.3g.
What is 2.7 g/mL?
1000
All elements' nuclei are unstable (and therefore radioactive) after this heavy metal.
What is Lead (Pb, Element 82)
1000
Draw the Bohr model for Lithium-7 labeled with: neutron, proton, electron, nucleus
1000
Draw and name the 3 isotopes of Hydrogen
1000
Chlorine with 19 neutrons and 18 electrons
1000
Draw the bohr model of sodium missing an electron AND chlorine with an extra electron
1000
Radon-222 emits an alpha particle with 2 neutrons and 2 protons. What is the new atom & isotope formed after the alpha emission? (Give an element name and its mass number)
Polonium-218
1000
A cube has a mass of 50g and has sides that measure 5cm each. What is the density? Will it sink or float?
0.4 g/cm3 it will FLOAT