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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
atomic mass unit
semi - metals
kinetic molecular theory of gas
alkali metals
2. Radioactive decay that leads to an emission of Helium -4 ion
alkynes
alpha decay
beta decay
halogens
3. Components made up of a combination of atoms
gamma decay
molecules
groups
acid
4. The different forms of an electron based on their neutrons
periods
acid
isotopes
atomic mass unit
5. The degree that two liquids can mix together
ion
neutralization reaction
miscibility
nonmetals
6. The conversion of liquid into a gas
electronegativity
chemical reaction
evaporation
atom
7. 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
halogens
ph neutral
cations
organic compounds
8. When two reactants form one product - like sulfur dioxide by burning sulfur in the air
double displacement reaction
combination reaction
ionic bond
ph neutral
9. The smallest form of a particle
atomic number
sublimation
atom
single displacement reaction
10. Metals like calcium that produce alkaline solutions when combined with water. Part of Group IIA. Have two electrons in their outer shells
neutron
molecules
evaporation
alkaline earth metals
11. The process in which a solid can become a gas - like dry ice
organic compounds
alpha decay
sublimation
double displacement reaction
12. Occurs when one compound is replaced by an atom of another element like zinc metal
sublimation
radioactive decay
covalent bond
single displacement reaction
13. Hydrocarbons that include carbon - carbon triple bonds
alkynes
ionic bond
condensation
atomic number
14. Energy released when an electron is added to a gaseous atom
ionization energy
alkynes
electron affinity
groups
15. The number of protons/electrons within an atom
cations
atomic number
ion
matter
16. Radioactive decay that leads to the emission of gamma particles
chemical reaction
gamma decay
nucleus
nonmetals
17. Metals that conduct electricity
decomposition reaction
alkali metals
semi - metals
NH3
18. Small component of an atom that has a positive electrical charge
ion
protons
miscibility
alkaline earth metals
19. A chemical that is sour and stings and receives positive charged atoms when they are dissolved in water
isotopes
acid
gamma decay
H2O
20. A chemical bond in which two atoms share electrons like H2.
pH
protons
covalent bond
single displacement reaction
21. Metals that have a variety of property that include carbon - nitrogen and oxygen vital to the earth
nonmetals
electrons
valence shell
pH
22. Organic compounds that contain nitrogen - including protein
ionic bond
atomic radius
atom
nitrogen - containing compounds
23. Positive charged ions
condensation
H2O
pH
cations
24. 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
alkaline earth metals
nitrogen - containing compounds
kinetic molecular theory of gas
molecules
25. The size of an atom that decreases across a period. Within the group - it increases from top to bottom
atomic radius
kinetic molecular theory of gas
evaporation
alkynes
26. The transition from a gas into a solid
electrons
anions
deposition
chemical reaction
27. The process of balancing chemical equations
kinetic molecular theory of gas
alkanes
stoichiometry
miscibility
28. The conversion of a gas back into a liquid
condensation
H2O
isotopes
transition metals
29. An atom that has an electrical charge
electrons
ion
kinetic molecular theory of gas
acid
30. Radioactive decay in which half of a sample decays
covalent bond
noble gas
nucleus
half - life
31. Substances that create hydroxide ions - have a pH level higher than 7 - and can conduct electricity
alkaline earth metals
bases
atomic number
single displacement reaction
32. The center of an atom - which contains protons and neutrons
atomic mass unit
neutron
pH
nucleus
33. Water
double displacement reaction
neutron
evaporation
H2O
34. Hydrocarbons that involve carbon - carbon double bonds
alkenes
halogens
covalent bond
atomic radius
35. Metals mostly found in the middle of the table that are small and shiny. They are hard and have high melting and boiling points
covalent bond
pH
alkenes
transition metals
36. Anything that has mass and takes up space
double displacement reaction
condensation
matter
atomic mass unit
37. Metals that have low melting points
poor metals
nitrogen - containing compounds
halogens
alpha decay
38. Hydrocarbons that have single bonds with a prefix to show the number of carbon atoms - like methane - ethane - propane - butane - pentane - and hexane
isotopes
cations
alkanes
protons
39. 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
alkaline earth metals
valence shell
single displacement reaction
ionization energy
40. 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
anions
covalent bond
double displacement reaction
electron affinity
41. Sodium
matter
HCL
alkynes
NaCl
42. The way of ordering the periodic table based on how many protons there are
double displacement reaction
molecules
periods
combination reaction
43. Move around the nucleus at the speed of light and have a negative charge
noble gas
acid
electrons
combination reaction
44. A specific type of double deplacement when an acid reactts with a base to form salt and water
ph neutral
gamma decay
single displacement reaction
neutralization reaction
45. Hydrochloric acid
decomposition reaction
alkaline earth metals
HCL
radioactive decay
46. Small component of an atom that has no electrical charge
neutron
molecules
ph neutral
atomic radius
47. When a compound breaks down into two or more substances by heating - like the break down of mercury oxide
evaporation
organic compounds
decomposition reaction
sublimation
48. Ammonia
ionization energy
NH3
nonmetals
NaCl
49. Measures of an attraction that an atom has ffor electrons in a chemical bond
NaCl
electronegativity
gamma decay
molecules
50. The decay of a nuclei which results in the emission of certain particlces
nonmetals
gamma decay
chemical reaction
radioactive decay