Physics Flashcards

10036223650	velocity	speed	0
10036666232	kinetic energy	the energy of motion	1
10036666233	potential energy	Energy that is stored and held in readiness	2
10036719002	For every force there is an equal and opposite force	Newton's third law	3
15000602268	Physics deals with two things:	Energy and matter	4
15000602269	Energy may be defined as _______________.	The ability to do work	5
15002361810	Two types of energy are	potential and kinetic	6
15002361811	5 forms of energy	mechanical, nuclear, electrical, radiant, chemical	7
15002476032	Matter	Anything that has mass and takes up space	8
15002476033	Radiation physics deals with 2 things	Radiation and matter	9
15002476034	Element	Matter made up of only one kind of atom	10
15002476035	Compound	A substance made up of atoms of two or more different elements joined by chemical bonds	11
15002476036	Molecule	A group of atoms bonded together	12
15002476037	There are _____ naturally occurring elements.	92	13
15002476038	Nucleus is composed of	protons and neutrons	14
15002476039	Electrons cloud of an atom	Shells	15
15002476040	An atom mostly consists of	Empty space	16
15002476041	Electrons have the most energy in their _____ shell	Outermost	17
15098263387	Alpha particles consist of ___ protons and ____ neutrons	2 and 2	18
15160187308	Chemical	Gasoline is an example of ___ energy	19
15160192038	Mechanical	A spring is an example of ___ energy	20
15160197827	Electrical	Manipulating electrons is an example of __ energy	21
15160208040	Radiant	Electromagnetic waves (heat and light) are an example of ___ energy	22
15161009957	Electron shell K	In innermost shell	23
15161141069	neutrons and protons	nucleons	24
15161179049	vary	The number of neutrons and protons can ___ among different elements	25
15161205887	Of the extremely high speed at which they travel	Electrons appear to form a cloud around the nucleus because	26
15161252050	Protons, electrons	Atoms have the same number of ___ in the nucleus as ____ in the outer shell	27
15161257235	neutral	An atom must be electrically ____	28
15161360666	cancel each other out	Positive and negative charges of an atom ___ each other	29
15161471271	Ionized	If an atom gains or loses an electron, it is said to be ____	30
15161479060	Negative ion	Atom that gains an electron is a ___	31
15161483181	Positive ion	Atom that loses an electron is a ____	32
15161487680	Molecules	Chemical bonds form	33
15161490233	Ionic and covalent	Two types of chemical bonding	34
15161495515	Homeostasis, neutral	Ions want to return to ____ and be ____	35
15165073680	Electrostatics	the force that pulls ions together	36
15165083318	Opposite	Atoms are attracted to each other when they have ___ charges	37
15165088003	NaCl	sodium chloride	38
15165095930	Ionic bond	Formed when one or more electrons are transferred from one atom to another	39
15165096731	covalent bond	a bond formed when atoms share one or more pairs of electrons	40
15165106461	Isotopes	Atoms with the same number of protons but different numbers of neutrons	41
15165109948	5 to 8	Number of neutrons in Carbon atom can vary from ___	42
15165112831	True	All atoms have at least one isotope: true or false?	43
15165115940	neutrons, protons	Isotopes are named by adding ___ and ___	44
15165122281	Carbon 13	If a carbon atoms has 6 protons and 7 neutrons, what is the Carbon name?	45
15165132491	The number of protons	What determines the atomic number of an element?	46
15165139692	Z	Which letter symbolizes the atomic number?	47
15165144043	Left	The atomic number is written as subscript to the ___ side of the element	48
15165148039	A	Which letter symbolizes the mass number?	49
15165152418	Top (superscript)	The mass number is on the ___ left of the element symbol	50
15165153366	mass number	the total number of protons and neutrons in the nucleus of an atom	51
15165155556	elemental mass	Atomic weight aka	52
15165159762	Atomic weight	Average of the mass numbers of all isotopes	53
15188446052	beta particle	a high-speed electron with a 1- charge that is emitted during radioactive decay	54