Atoms
What are the three subatomic particles that make up the structure of an atom?
Protons, neutrons and electrons
What is the atomic number?
Number of protons or electrons in an element
What are the columns of the periodic table called?
Groups
What is a compound?
A substance containing atoms of two or more elements joined together by chemical bonds
What is the electron configuration of Potassium?
2, 8, 9
What is the smallest sub-atomic particle on the periodic table in the atom?
Electrons
What is the atomic mass?
The number of protons and neutrons
What are the rows of the periodic table called?
Periods
Define what reactants and products are
Reactants; the substances that will react with each other. Products; the new substances that you get as a result of the reaction.
Draw the atom neon. Include electrons, protons, and neutrons.
-
What is the order of electron configuration for each shell?
2, 8, 18, 32
How do you figure out how many neutrons an element has?
atomic mass - atomic number
What are general properties of metals?
High melting point, shiny, malleable, conducts electricity
How does a compound differ to a mixture?
Compounds are chemically bonded, mixture is a combination of substances that are not chemically bonded, and can be physically separated.
Electron configuration of bromine
2, 8, 18, 7
What element am I? I have 79 protons.
Gold
How many neutrons does Scandium have?
24
What is the chemical symbol for zinc? (no checking periodic table)
Zn
Compound has 1 copper, 1 sulfur and 4 oxygens. Chemical formula?
CuSO4
brittle, not shiny, not electrically conductive, low melting point.
What element am I?
Electron configuration: 2, 8, 7.
Chlorine
Mercury
Carbon has a high melting point (3,550 °C) but is considered a non-metal, why?
Carbon follows majority of other non-metal qualities. These properties are 'general' and there are exceptions to the rule
What is the difference between a molecule and a lattice?
A molecule is a discrete group of two or more atoms, whereas a crystal lattice is a large collection of atoms, ions, or molecules arranged in a highly ordered, repeating pattern.
What period and row is Platinum found?
group 10, row 6