If a compound is made from two non-metals it is
Covalent bonding
If a compound is made from a metal and a non-metal it is
Ionic bonding
what are valence electrons
outer most shell of a atom
what moves tectonic plates
convection currents
how heat transfers
conduction, radiation, and convection
A cation with a small size and a high charge is..
A covalent compound
The overall charge of an ionic compound must always equal what?
zero
what particle orbits the nucleus
electrons
what are the 3 driving forces of plate tectonics
convection in the mantle, ridge push, and slab
1 m = __ cm
100 cm
How to name covalent compounds with three elements
specify the formula, charge and number of each ion
What type of ion will metals become in ionic bonding?
Cation
What are the rules for drawing a Bohr diagram
A circle is drawn in the center to represent the nucleus of the atom
what is K in gas laws
Boltzmann constant
30mg is equal to _____ decigrams
300 decigrams
Which type of covalent bond is hardest to break
Which type of covalent bond is hardest to break
what makes Ionic bonds harder to break
coulombic attraction between ions of opposite charges
what is the biggest problem with Bohr's theory
its only good for atoms with one eletron
How does liquids become gas
the particles absorb heat energy and start vibrating faster and the distance between them increase
what makes something able to transfer electricity
They have a high number of free electrons moving through them
What type of covalent bond does Methane gas have
A nonpolar covalent bond
why are Ionic bonds a solid at room temp
onic compounds have strong electrostatic forces of attraction between the ions and form a lattice of ions
What is the 2 8 8 18 18 32 rule
an arrangement of electrons in various shells, sub-shells and orbitals in an atom
what helped discover the existence of tectonic plates
Earthquakes, mountain building and volcanic activity occur mostly at the boundaries of the moving plates
how can heat transfer be stoped
by insulation