Chemistry 1
What is a heterogenous mixture.
When two or more atoms are joined together chemically
What is Molecule
The periodic table is made of mostly ______.
What are metals?
What do elements in the same group have in common?
What is the same number of valence electrons?
Which rule explains why two electrons in the same s orbital must have opposing spins?
What is Pauli exclusion principle?
Ms. Keiling's favorite basketball team.
What is the Purdue Boilermakers?
Name the two changes of matter
What are Physical and Chemical
This type of mixture looks uniform throughout. Saltwater is a good example.
What is a homogenous mixture?
A substance formed by chemically combining two or more atoms of different elements is known as
What is Compound
Left to right across a period, the atomic radii will _____ in size.
What is decrease/get smaller?
Giving off heat or light is a clue that this type of a change is occuring.
What is a chemical change?
Electron configuration for Oxygen
What is 1s2 2s2 2p4?
Sing "Jingle Bells" (2 verses)
What is "Jingle Bells, Jingle Bells, Jingle all the way!
Oh what fun, it is to ride, in a one horse open sleigh!"
Stand on one foot without falling for 30 seconds.
What is GOOD JOB?
What term refers to anything that occupies space, physical and chemical properties and exists in gas, liquid or solid form
What is Matter
All matter exists in four forms solid, liquid, plasma and
What is gas
The elements can be found on the right side of the periodic table of the elements.
What are noble gasses?
Which group is not included in the trend for electronegativity?
What is noble gases?
The number of valence electrons for phosphorus.
What is 5?
Sing the Periodic Table of the Elements song from H to Na.
What is
"There′s Hydrogen and Helium
Then Lithium, Beryllium
Boron, Carbon everywhere
Nitrogen all through the air
With Oxygen so you can breathe
And Fluorine for your pretty teeth
Neon to light up the signs
Sodium for salty times."
Give the formation of an ionic bond, such as NaCl.
What is "lattice structure," or "crystal lattice"?
Elements represent unique forms of these little thingies. The building blocks of everything!
What are atoms.
When one chemical changes its state of matter, the change is called
What is Physical Change
The atomic number tells us this.
What is the number of protons?
There are this many periods on the periodic table of the elements.
What is seven?
Arrange the following elements in order of increasing electronegativity using only the trend-
F, P, N
What is P < N < F?
Name the metal that was used in our first lab experiment.
What is copper (wire)?
The significant figures of 0.0320
What is three?
Which of the following is an example of a pure substance?
a. air
b. saltwater
c. oxygen gas
d. soil
What is oxygen gas?
What type of change occurs when dry ice sublimes.
What is physical change.
Carbon-12 and Carbon-14 are two examples of isotopes. How do they have the same chemical property?
What is these atoms have the same number of valence electrons, which determine an element's chemical property?
an atom of an element has 15 protons, 15 electrons and 16 neutrons has an atomic mass of
What is 31
Classify each as a pure substance or mixture (in order):
CO2
salad dressing
gold
What is pure substance, mixture, and pure substance?
Give the electron configuration for Cobalt.
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d7?
Variable composition throughout is called ______.
What is mixture?
Atoms bond together to form these.
What are compounds?
When an Atom loses electrons, the substance is
What is Ion
Which has a higher ionization energy, calcium or potassium? Explain why.
What is calcium? The periodic trend for ionization energy is to increase from left to right, and calcium is to the right of potassium.
Which electron configuration violates Hund’s rule?
A. ↑ ↑ ↑ in three p orbitals
B. ↑↓ ↑ ↑ in three p orbitals
C. ↑ ↑ ↓ in three p orbitals
D. ↑ ↑ ↑ ↑ in four d orbitals
What is answer C?
Tell what is released in each form of radioactive decay (in order):
gamma radiation
alpha particle
beta particle
What is energy, 2 protons and 2 neutrons (or equivalent to He atom), and an electron?
Neon and Argon are examples of
What are Noble gases?
Forces between CO2 and H2O.
What is intermolecular forces?