Natural Science Exam (correct answers)
Element correct answers A substance that cannot be broken down into any other
substances
Atom correct answers Simplest unit of an element
Electrons correct answers Have a -1 charge. Smaller than protons.
Neutrons correct answers Carry a neutral charge
Protons correct answers Carry a +1 charge.
Orbital correct answers The 3D space that electrons orbit within.
Covalent bond correct answers Bonding between atoms sharing electrons. Strongest
type of bond.
Molecule correct answers Two or more atoms held together by shared electrons.
Compound correct answers Two or more atoms chemically being bound.
Ions correct answers Charged atoms
Ionic bond correct answers Bond between two attracting charged atoms
Polar molecules correct answers Molecules that are positive at one end, but negative at
the other.
Hydrogen correct answers Bond between water molecules
Endothermic correct answers Reactions that require energy
Exothermic correct answers Reactions that release energy
1 law of Thermodinamics correct answers Matter can neither be created or distroyed
2 law of Thermodinamics correct answers All reactions spread energy
Acid correct answers A chemical that donates protons
Base correct answers A chemical that accepts protons
Organic compounds correct answers Compounds that contain carbon, such as
hydrogen, oxygen, nitrogen, sulfur, phosphorus, and metals
Element correct answers A substance that cannot be broken down into any other
substances
Atom correct answers Simplest unit of an element
Electrons correct answers Have a -1 charge. Smaller than protons.
Neutrons correct answers Carry a neutral charge
Protons correct answers Carry a +1 charge.
Orbital correct answers The 3D space that electrons orbit within.
Covalent bond correct answers Bonding between atoms sharing electrons. Strongest
type of bond.
Molecule correct answers Two or more atoms held together by shared electrons.
Compound correct answers Two or more atoms chemically being bound.
Ions correct answers Charged atoms
Ionic bond correct answers Bond between two attracting charged atoms
Polar molecules correct answers Molecules that are positive at one end, but negative at
the other.
Hydrogen correct answers Bond between water molecules
Endothermic correct answers Reactions that require energy
Exothermic correct answers Reactions that release energy
1 law of Thermodinamics correct answers Matter can neither be created or distroyed
2 law of Thermodinamics correct answers All reactions spread energy
Acid correct answers A chemical that donates protons
Base correct answers A chemical that accepts protons
Organic compounds correct answers Compounds that contain carbon, such as
hydrogen, oxygen, nitrogen, sulfur, phosphorus, and metals
