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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. Chemicals like sodium that react with water to make alkaline solutions. Part of Group IA. They easily lose their valence electrons to become +1
acid
ionization energy
sublimation
alkali metals
2. When two different substances combine to form a new substance or when a substance breaks down to form two different substance.
bases
semi - metals
ph neutral
chemical reaction
3. A chemical that is sour and stings and receives positive charged atoms when they are dissolved in water
gamma decay
acid
organic compounds
nitrogen - containing compounds
4. The degree that two liquids can mix together
miscibility
kinetic molecular theory of gas
NaCl
noble gas
5. 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
poor metals
double displacement reaction
deposition
ph neutral
6. Occurs when one compound is replaced by an atom of another element like zinc metal
alkanes
NaCl
single displacement reaction
covalent bond
7. The conversion of liquid into a gas
cations
ionic bond
evaporation
neutron
8. When a compound breaks down into two or more substances by heating - like the break down of mercury oxide
stoichiometry
decomposition reaction
acid
ph neutral
9. A specific type of double deplacement when an acid reactts with a base to form salt and water
pH
gamma decay
nitrogen - containing compounds
neutralization reaction
10. Radioactive decay in which half of a sample decays
groups
isotopes
half - life
ph neutral
11. Organic compounds that contain nitrogen - including protein
ionization energy
transition metals
valence shell
nitrogen - containing compounds
12. The transition from a gas into a solid
molecules
beta decay
ph neutral
deposition
13. 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
ionization energy
evaporation
ph neutral
ionic bond
14. 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
alkali metals
kinetic molecular theory of gas
noble gas
ionic bond
15. Positive charged ions
nonmetals
molecules
cations
NaCl
16. The center of an atom - which contains protons and neutrons
beta decay
nonmetals
miscibility
nucleus
17. Small component of an atom that has a positive electrical charge
sublimation
miscibility
combination reaction
protons
18. Hydrochloric acid
HCL
ionic bond
alkaline earth metals
decomposition reaction
19. The smallest form of a particle
neutralization reaction
atom
chemical reaction
isotopes
20. The process of balancing chemical equations
nitrogen - containing compounds
molecules
half - life
stoichiometry
21. Sodium
alpha decay
decomposition reaction
NaCl
acid
22. Metals mostly found in the middle of the table that are small and shiny. They are hard and have high melting and boiling points
transition metals
isotopes
electronegativity
miscibility
23. Metals that have low melting points
beta decay
hydrocarbons
deposition
poor metals
24. 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
molecules
valence shell
decomposition reaction
halogens
25. Measures of an attraction that an atom has ffor electrons in a chemical bond
nitrogen - containing compounds
acid
electronegativity
nucleus
26. The size of an atom that decreases across a period. Within the group - it increases from top to bottom
bases
atomic radius
valence shell
gamma decay
27. Hydrocarbons taht also include oxygen - like alcohols - carbohydrates
HCL
electrons
organic compounds
alkaline earth metals
28. When two reactants form one product - like sulfur dioxide by burning sulfur in the air
bases
organic compounds
combination reaction
ionic bond
29. The process in which a solid can become a gas - like dry ice
periods
sublimation
semi - metals
nucleus
30. Metals like calcium that produce alkaline solutions when combined with water. Part of Group IIA. Have two electrons in their outer shells
kinetic molecular theory of gas
alkaline earth metals
ionization energy
beta decay
31. The outer electron in a shell
neutralization reaction
alpha decay
valence shell
alkanes
32. The decay of a nuclei which results in the emission of certain particlces
valence shell
radioactive decay
bases
electronegativity
33. The way a periodic table is ordered in columns based on how many electrons are in the outer shell
half - life
pH
ionic bond
groups
34. Hydrocarbons that have single bonds with a prefix to show the number of carbon atoms - like methane - ethane - propane - butane - pentane - and hexane
alkanes
NaCl
ph neutral
combination reaction
35. Energy released when an electron is added to a gaseous atom
noble gas
neutron
combination reaction
electron affinity
36. 1.66 x 10^-24 g
sublimation
atomic mass unit
stoichiometry
poor metals
37. Substances that create hydroxide ions - have a pH level higher than 7 - and can conduct electricity
periods
bases
hydrocarbons
NH3
38. Radioactive decay that leads to the emission of gamma particles
double displacement reaction
alkynes
gamma decay
bases
39. The different forms of an electron based on their neutrons
condensation
isotopes
semi - metals
poor metals
40. Ammonia
atomic number
NH3
NaCl
evaporation
41. The number of protons/electrons within an atom
electrons
periods
atomic number
poor metals
42. Metals that have a variety of property that include carbon - nitrogen and oxygen vital to the earth
ionic bond
miscibility
transition metals
nonmetals
43. Radioactive decay that leads to an emission of Helium -4 ion
poor metals
combination reaction
transition metals
alpha decay
44. The bond formed when an anion and a cation unite and form a chemical reaction
neutron
organic compounds
ion
ionic bond
45. Hydrocarbons that involve carbon - carbon double bonds
alkenes
protons
hydrocarbons
alpha decay
46. Hydrocarbons that include carbon - carbon triple bonds
molecules
alkynes
cations
sublimation
47. An atom that has an electrical charge
alkanes
decomposition reaction
ion
atom
48. A chemical bond in which two atoms share electrons like H2.
covalent bond
chemical reaction
noble gas
deposition
49. Metals that conduct electricity
alkynes
semi - metals
electronegativity
condensation
50. Gases like neon and helium that do not interact with other elements because they havea complete valence shell
nitrogen - containing compounds
nucleus
alkaline earth metals
noble gas