Show:
2.1
2.2
chemical bonds hold compounds together :)
2.2 continued:)
Ionic, covalent, metallic, and all that fun stuff
100
What is a subscript?
how many of a specific element in a compound
100
What is a molecule?
a group of atoms bonded together
100
What is the ion formula for a lithium atom that loses one electron
What is Li+1
100
What is the definition of an ionic bond?
a force of attraction between positive and negative ions
200
What is a compound?
a combination of two or more elements
200
What are 2 types of atoms?
positive and negative
200
What is CuO
What is Copper Oxide
200
What is the definition of a covalent bond?
two pairs of electrons shared by two atoms
300
What is a chemical formula?
a representation of a substance using letters and numbers
300
When naming ionic compounds which ion is named second
the negative ion
300
Ionic bonds form when atoms ________ or ________ electrons?
gain,lose
300
What is a covalent bond?
a bond between two or more nonmetals
400
Compounds often have different properties from the ________________ that make up the compound.
elements
400
What is a polar covalent bond?
when the electrons are shared unequally (one atom pulls harder on the electrons than the other one does)
400
What type of bond holds this compound together: ammonia- NH(subscript 3)
a covalent bonds
400
What is a Metallic bond?
a bond between two or more metals
500
What is the ratio for C2H6?
2:6
500
What is an ionic bond?
a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion.
500
What is a covalent bond
a chemical bond that involves sharing a pair of electrons between atoms in a molecule.
500
What is Ionic bond?
a bond between two or more metals and nonmetals