Chemistry 1
What is a heterogenous mixture.
All matter exists in four forms solid, liquid, plasma and
What is gas
There are this number of elements on the periodic table of the elements.
What is 118?
Group 17 Elements
What are Halogens
ice is an example of a (state of matter)
What is Solid
the three subatomic particles
what is the proton, neutron and electron
element named after Albert Einstein
What is Einsteinium (Es)
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/Molceule
Group 2 Elements
Giving off heat or light is a clue that this type of a change is occuring.
What is a chemical change?
Water is made of these two elements?
What is hydrogen and oxygen?
Name the two types of matter
What are pure substance and mixture
the pH of a neutral solution
what is 7
What term refers to anything that occupies space, physical and chemical properties and exists in gas, liquid or solid form
What is Matter
---------- is known as the universal solvent
What is Water
The elements can be found on the right side of the periodic table of the elements. (Group 18)
What are noble gasses?
Giving a client a perm would be considered what type of change
What is Chemical
There are this many periods on the periodic table of the elements.
What is seven?
Curling hair with a curling iron would be considered what type of change
What is Physical
element commonly used in the production of batteries
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?
Atoms bond together to form these.
What are molecules/compounds?
an atom of an element has 15 protons, 15 electrons and 16 neutrons has an atomic mass of
What is 31
most reactive metal
what is francium
the heaviest naturally occurring element
what is uranium
This is the smallest atom.
What is Helium.
What type of change occurs when dry ice sublimates
What is physical change.
This is made when salt is dissolved in water
What is Solution
When an Atom loses electrons, the substance is
What is Ion
the chemical name for the compound with the formula Na2S
What is sodium sulfide
the element with the highest electronegativity
what is fluorine
the name for a substance that changes color to indicate pH
What is indicator
The chemical name for the compound with the formula K2CO3
What is potassium carbonate?
# of unpaired electrons in O
what is 2
equation for percent error
What is |experimental-actual|/actual
2.0*6.00=
*use sig figs
electron configuration for Ti
what is 1s22s22p63s23p64s23d2
-OR-
what is [Ar]4s23d2
The significant figures of 0.0320
What is three?
element used in the filaments of old-fashioned light bulbs
what is Tungsten