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Test your basic knowledge |
CSET Science: Chemistry
Start Test
Study First
Subjects
:
cset
,
science
,
chemistry
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Components made up of a combination of atoms
atomic number
molecules
hydrocarbons
pH
2. The conversion of a gas back into a liquid
organic compounds
protons
condensation
kinetic molecular theory of gas
3. Negative charged ions
periods
NaCl
ionic bond
anions
4. Metals like calcium that produce alkaline solutions when combined with water. Part of Group IIA. Have two electrons in their outer shells
anions
alkanes
alkaline earth metals
bases
5. Hydrochloric acid
acid
HCL
nitrogen - containing compounds
matter
6. Gases like neon and helium that do not interact with other elements because they havea complete valence shell
noble gas
groups
nitrogen - containing compounds
alpha decay
7. Hydrocarbons that have single bonds with a prefix to show the number of carbon atoms - like methane - ethane - propane - butane - pentane - and hexane
atomic radius
molecules
single displacement reaction
alkanes
8. When a compound breaks down into two or more substances by heating - like the break down of mercury oxide
alpha decay
molecules
decomposition reaction
ionization energy
9. The process in which a solid can become a gas - like dry ice
decomposition reaction
sublimation
halogens
bases
10. Move around the nucleus at the speed of light and have a negative charge
valence shell
chemical reaction
electrons
ph neutral
11. Organic compounds that contain nitrogen - including protein
anions
valence shell
nitrogen - containing compounds
organic compounds
12. Part of group VIIA and are highly reactive nonmetals. They have seven valence electrons and range from bein ggaseous to solids. Includes fluoride - chloride - and iodine
deposition
halogens
alkanes
covalent bond
13. Anything that has mass and takes up space
condensation
combination reaction
nucleus
matter
14. Energy released when an electron is added to a gaseous atom
halogens
electron affinity
anions
alkynes
15. The smallest form of a particle
NH3
atom
ph neutral
gamma decay
16. Metals that have low melting points
stoichiometry
atomic radius
poor metals
alkaline earth metals
17. The degree that two liquids can mix together
half - life
alkanes
protons
miscibility
18. Ammonia
evaporation
nonmetals
NH3
halogens
19. Radioactive decay in which a beta particle - aka an electron - is emitted
gamma decay
H2O
evaporation
beta decay
20. The energy required to completely remove an electron from an atom or an ion to make it ositive. the energy increases from left to right as the atomic radius diecreases
valence shell
ionization energy
bases
matter
21. Water
chemical reaction
alkynes
H2O
ion
22. Occurs when one compound is replaced by an atom of another element like zinc metal
pH
single displacement reaction
covalent bond
ion
23. The transition from a gas into a solid
groups
condensation
deposition
ion
24. Hydrocarbons that involve carbon - carbon double bonds
atomic radius
alkenes
nucleus
combination reaction
25. The size of an atom that decreases across a period. Within the group - it increases from top to bottom
isotopes
groups
ion
atomic radius
26. The idea that 1. gaes are made up of particles - 2. gas atoms do not exhibit intermolecular attraactions or repulsions - 3. gas particles are in continuous random motions - 4. collisiosn between two gas particles is not dissipated - and 5. the averag
halogens
H2O
kinetic molecular theory of gas
alkanes
27. Metals mostly found in the middle of the table that are small and shiny. They are hard and have high melting and boiling points
electrons
pH
ionization energy
transition metals
28. Small component of an atom that has a positive electrical charge
electronegativity
protons
hydrocarbons
molecules
29. The way a periodic table is ordered in columns based on how many electrons are in the outer shell
radioactive decay
bases
cations
groups
30. The process of balancing chemical equations
ion
organic compounds
radioactive decay
stoichiometry
31. Small component of an atom that has no electrical charge
pH
alkaline earth metals
neutron
miscibility
32. The way of ordering the periodic table based on how many protons there are
periods
cations
atomic number
covalent bond
33. Metals that have a variety of property that include carbon - nitrogen and oxygen vital to the earth
gamma decay
nonmetals
alkaline earth metals
groups
34. The conversion of liquid into a gas
electrons
atom
ion
evaporation
35. Radioactive decay in which half of a sample decays
nucleus
alkaline earth metals
ion
half - life
36. Measures of an attraction that an atom has ffor electrons in a chemical bond
decomposition reaction
electronegativity
single displacement reaction
alkali metals
37. Radioactive decay that leads to an emission of Helium -4 ion
groups
ion
poor metals
alpha decay
38. The chemical potential for hydrogen - which determines whether or not a chemical is an acid or base
pH
combination reaction
acid
nucleus
39. A chemical that is sour and stings and receives positive charged atoms when they are dissolved in water
acid
double displacement reaction
alkenes
valence shell
40. Hydrocarbons taht also include oxygen - like alcohols - carbohydrates
organic compounds
kinetic molecular theory of gas
deposition
H2O
41. When two reactants form one product - like sulfur dioxide by burning sulfur in the air
combination reaction
atom
miscibility
hydrocarbons
42. The center of an atom - which contains protons and neutrons
transition metals
double displacement reaction
anions
nucleus
43. Substances that create hydroxide ions - have a pH level higher than 7 - and can conduct electricity
ionic bond
bases
H2O
combination reaction
44. The different forms of an electron based on their neutrons
protons
isotopes
groups
ion
45. An atom that has an electrical charge
ion
groups
protons
radioactive decay
46. The bond formed when an anion and a cation unite and form a chemical reaction
ionic bond
isotopes
electronegativity
combination reaction
47. 1.66 x 10^-24 g
radioactive decay
beta decay
alkaline earth metals
atomic mass unit
48. Positive charged ions
ionic bond
cations
matter
pH
49. When elements from two different compounds didsplace each other to form new compounds - like when solutions of CaCl and HgNi combine to form insoluble HgCl and CaNi
combination reaction
molecules
atom
double displacement reaction
50. The decay of a nuclei which results in the emission of certain particlces
alkynes
radioactive decay
atomic mass unit
stoichiometry