Chemistry 1
Person who discovered the proton and nucleus.
Who is Rutherford?
Two atoms with the same number of protons and a different number of neutrons.
What is an isotope?
Name the two properties of matter
What are Physical and Chemical
The atomic number tells us this.
What is the number of protons?
Draw the Lewis structure for PBr3.
On projector
The shape of a s-orbital.
What is a sphere?
The electron configuration for Tin.
What is 1s22s22p63s23p64s23d104p65s24d105p2?
What type of change occurs when ice melts to water
What is Physical
Name all 3 subatomic particles.
Protons, Neutrons, Electrons
The intermolecular force that makes water a unique substance.
What is hydrogen bonding?
What is the basic unit of matter that cannot be divided into simpler substances by ordinary chemical means
What is Atom
The person who's atomic theory principles are recognized today.
Who is Bohr?
Bleaching a client's hair would be considered what type of change
What is Chemical?
The type of bond where electrons are transferred
Ionic Bond
The correct chemical formula for iron (III) phosphate.
What FePO4?
When two or more atoms are joined together in covalent bond
What is Molecule
Person who said electrons in an orbital have to have opposite spins.
Who is Pauli?
Put the following in order of increasing electron affinity: Ca, Br, Cs, Ga, K
Cs, K, Ca, Ga, Br
In covalent bond the valence electrons are
Shared
The Mars Rover discovered titanium on Mars. However, the relative abundance of titanium is different than on Earth. 80% of the titanium there is Ti-45.953 the other 20% is Ti-47.948. What is the average atomic mass of titanium on Mars?
46.352
A substance formed by chemically combining two or more atoms of different elements is known as
What is Compound
Bromine belongs to the _________ group.
What is halogen?
The sum of protons and neutrons in the nucleus of an atom is known as the _________.
Mass number
Will oxygen gain or lose electrons?
Gain two electrons
The ability of an atom to attract electrons is called its
What is electronegativity?
The elements can be found on the right side of the periodic table of the elements.
What are nonmetals
Neon and Argon are examples of this state of matter
What are Gases
What is the formula for density?
Density = Mass/Volume (Mass over volume)
An element has similar chemical properties as nitrogen and phosphorus. It has an atomic number greater than arsenic but less than bismuth. Use the periodic table to identify the element.
What is antimony?
A positively charged ion
Cation