When is horseplay acceptable during a lab.
Never
What element has the Chemical Symbol O?
Oxygen
What is the center of an atom called?
The nucleus
What do you call the electrons on the outside of the atom?
Valence electrons
How many bonds does Hydrogen?
1
Are opened toed shoes acceptable for labs?
No
What group on the periodic table doesn't react with other elements?
Halogens/8A
What do you call two atoms of the same element with the same charge but a different number of protons?
An isotope
What causes different colors during a flame test?
electrons jumping back and forth between energy levels
The Octet rule states that each atom wants how many valence electrons?
8
What are the three most common states of matter?
Solid, Liquid, Gas
What element has the chemical symbol K?
Potassium
What subatomic particle has a positive charge?
Proton
What is the name for an Ion with a positive charge?
Cation
What is the smell of a substance ending with -amine?
Fishy
Is a beaker good for measuring?
No
The Law of Conservation of Matter states that...
Matter cannot be created nor destroyed
What atomic model consisted of a positive substance that electrons "swam" in?
Plum Pudding Model
How many valence electrons does Argon have?
8
What kind of bond is formed between metals and gasses.
Ionic
What are two things that classify something as matter?
Having mass, taking up space
How many valence electrons do the elements in group 3A on the periodic table?
3
When writing out electron configuration, what group comes first, 4s or 3d?
3d
What color does sodium burn?
Yellow
COOC is the functional group for what smell?
Esters/Sweet