Johnson's First Science review
Terms
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- what is a liquid
- definite volume but no definite shape
- what is a positively charged particle
- cation
- what is the amount of space an object takes up
- volume
- how many neutrons are in copper
- 35
- what is vaporization
- liquid to gas
- what reaction::: what occurs when chemical bonds of a chemical are broken due to heat or light. large compounds are broken due to heat or light. large compounds will break apart into smaller compounds or elements. XYZ+heat --> X+YZ orrrr XYZ+Light--> X+YZ
- decomposition reaction
- what is formed when atoms share their outermost electrons and the two atoms are both metals?
- metallic covalent bond
- how many neutrons does V have
- 28
- what type of energy is locked in a nucleus of an atom and give two examples
- nuclear, fission, fusion
- what occurs when both atoms are metals?
- metallic covalent bond
- what type of element is cadmium?
- metal
- what mining process is the seperation of a solid from a liquid
- filtration
- what is a weak solution
- dilute
- what energy bonds atoms together and give 3 examples
- chemical, batteries, food, fuel
- how many hydrogen atoms are found in the compound CH3CH2CH2CH3
- 10
- what is solid
- definite shape and volume
- what is a charged particle when an atom gains or loses one or more elements?
- ion
- what are the two types of mines?
- surface, underground
- what are the chemicals that are produced from the chemical reaction?
- product
- what is the material that does the dissolving
- solvent
- what reaction: occurs when the chemical reaction releases heat. products become warmer than reactants
- exothermic reaction
- what is the amount of matter in an object and is unchanged
- mass
- what is a negatively charged particle
- anion
- what are the aquifer materials from best to worst
- gravel, sand, sandstone
- name the three types of chemical bonds in alpha order
- covalent, ionic, metallic
- what is sublimation
- solid to gas
- what is the atomic mass of V
- 50.9415
- what three things are produced in a nuclear fission? alpha
- heat, neutrons, smaller size elements
- what type of element is V
- metal
- what type of energy is internal motion of mater. matter changing from a solid to a liquid to a gas?
- heat
- what is the material that is being dissolved
- solute
- what is melting
- solid to liquid
- what is condensation
- gas to liquid
- what is the atomic mass for the element nickel?
- 58.6934
- how many protons are in the element Ne
- 10
- what is disposition
- gas to solid
- what happened if there is a new chemical, color change, energy is released or absorbed, and/ or light is produced
- chemical reaction
- how many electrons and protons does V have
- 23
- what is the universe and everything made of?
- matter
- what type of energy is an electrical charge and give 6 examples
- electromagnetic, electricity, gamma rays, infrared radiation, light, UV light, x-rays
- what is energy associated with motion and give two examples
- mechanical, engines, motors
- what are the aquitard materials from best to worst
- soil, clay, solid rock
- what is are atoms that are the same type, but have a different number of neutrons
- isotope
- what mining process is when one atom or ion of one substance replace one atom or ion of another
- metal displacement
- what are the four states of matter in alpha order?
- gas, liquid, plasma, solid
- what three types of solar radiation come from the sun to the earth in alpha
- infrared, ultra violet, visible
- what mining process is seperation of the dense materials from the less dense ones
- density
- how many electrons are there in the element colbalt
- 27
- what is formed when two atoms share their outermost electrons?
- covalent bond
- what reaction is when energy is absorbed and products become colder than reactants
- endothermic reaction
- what is a particle that has no charge
- neutron
- what are the chemicals that start the chemical reaction?
- reactant
- what is a gas which is produced during a chemical reaction and has bubbles and fizzing
- effervescence
- what two things are a chemical structure that is made of two or more atoms that are bonded together?
- compound and molecule
- what is required to change a substance from one state of matter to another?
- energy is taken away or added
- what are the valence electrons of V
- 5,4,3,2
- what type of mining process uses a magnet to find out if you have nickel, iron or cobalt
- magnetism
- what is a gas
- no definite volume or shape
- what is a strong solution
- concentrate
- what is plasma
- most common. high energy
- what is a type of mixture formed when one substance dissolves in another?
- solution
- what is freezing
- liquid to solid
- what is the physical process to determine what type of substances have been mixed together by separating them from one another?
- chromatography
- what is the atomic name for the element Br
- Boron
- how many neutrons does sodium havee
- 12
- what are the valence electrons for Ga
- 3
- how many neutrons does carbon have
- 6
- what is conducted to identify the metal cations in a solution. the cations are heated up which causes the -_ to change color . this is a what?
- flame test
- what is an insoluble solid that forms when solutions are mixed together?
- precipitate
- how do you find density
- mass divided by volume
- what mining process is a chemical reaction occurs when an electrical current passes through an electrolyte solution
- electrolysis
- what mining process is the use of a chemical to dissolve the desired material into a liquid
- chemical
- where do all chemical bonds occur
- outermost electron shell
- what is dependent upon the pull of gravity on an object?
- weight
- what is formed when one atom transfers its outermost electrons to another atom. this causes the atoms to have opposite electrical charges
- ionic bond
- what is the metal cation in this solution: KCl
- K