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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. Move around the nucleus at the speed of light and have a negative charge
HCL
single displacement reaction
electrons
gamma decay
2. Water
NaCl
chemical reaction
H2O
matter
3. Measures of an attraction that an atom has ffor electrons in a chemical bond
alkali metals
combination reaction
NaCl
electronegativity
4. Substances that create hydroxide ions - have a pH level higher than 7 - and can conduct electricity
bases
isotopes
neutron
ionic bond
5. The degree that two liquids can mix together
atom
chemical reaction
deposition
miscibility
6. Energy released when an electron is added to a gaseous atom
alkali metals
miscibility
stoichiometry
electron affinity
7. Positive charged ions
cations
single displacement reaction
NaCl
molecules
8. The size of an atom that decreases across a period. Within the group - it increases from top to bottom
periods
pH
atomic radius
radioactive decay
9. The smallest form of a particle
bases
hydrocarbons
NH3
atom
10. 1.66 x 10^-24 g
atomic mass unit
electrons
H2O
ionization energy
11. When two different substances combine to form a new substance or when a substance breaks down to form two different substance.
chemical reaction
beta decay
alkenes
combination reaction
12. When a compound breaks down into two or more substances by heating - like the break down of mercury oxide
semi - metals
groups
decomposition reaction
half - life
13. Carbons that consist of both hydrogen and carbon atoms and can be alkanes - alkenes - akynes - adn aromatics
kinetic molecular theory of gas
hydrocarbons
deposition
combination reaction
14. Radioactive decay that leads to an emission of Helium -4 ion
nitrogen - containing compounds
semi - metals
alpha decay
alkenes
15. The conversion of a gas back into a liquid
alkaline earth metals
condensation
stoichiometry
covalent bond
16. Chemicals like sodium that react with water to make alkaline solutions. Part of Group IA. They easily lose their valence electrons to become +1
alkali metals
nonmetals
ph neutral
neutralization reaction
17. The center of an atom - which contains protons and neutrons
half - life
electron affinity
alkynes
nucleus
18. Small component of an atom that has a positive electrical charge
covalent bond
protons
ph neutral
semi - metals
19. Hydrocarbons taht also include oxygen - like alcohols - carbohydrates
atom
deposition
organic compounds
chemical reaction
20. Sodium
alkaline earth metals
NaCl
poor metals
condensation
21. A chemical bond in which two atoms share electrons like H2.
condensation
groups
poor metals
covalent bond
22. Metals that have a variety of property that include carbon - nitrogen and oxygen vital to the earth
nonmetals
alkali metals
ionization energy
neutralization reaction
23. Hydrocarbons that involve carbon - carbon double bonds
alkenes
groups
atomic mass unit
beta decay
24. An atom that has an electrical charge
atom
stoichiometry
chemical reaction
ion
25. The conversion of liquid into a gas
matter
semi - metals
ion
evaporation
26. The outer electron in a shell
nonmetals
kinetic molecular theory of gas
covalent bond
valence shell
27. The transition from a gas into a solid
HCL
protons
deposition
cations
28. Hydrochloric acid
HCL
decomposition reaction
hydrocarbons
protons
29. When two reactants form one product - like sulfur dioxide by burning sulfur in the air
condensation
combination reaction
acid
gamma decay
30. 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
gamma decay
atom
ion
ionization energy
31. Metals that conduct electricity
pH
alkali metals
semi - metals
HCL
32. The number of protons/electrons within an atom
protons
kinetic molecular theory of gas
electron affinity
atomic number
33. The bond formed when an anion and a cation unite and form a chemical reaction
kinetic molecular theory of gas
double displacement reaction
atomic radius
ionic bond
34. A specific type of double deplacement when an acid reactts with a base to form salt and water
evaporation
beta decay
neutralization reaction
nitrogen - containing compounds
35. Gases like neon and helium that do not interact with other elements because they havea complete valence shell
alpha decay
electrons
noble gas
neutralization reaction
36. Components made up of a combination of atoms
cations
nonmetals
molecules
gamma decay
37. Organic compounds that contain nitrogen - including protein
atom
ionization energy
nitrogen - containing compounds
evaporation
38. Occurs when one compound is replaced by an atom of another element like zinc metal
gamma decay
double displacement reaction
single displacement reaction
evaporation
39. Metals mostly found in the middle of the table that are small and shiny. They are hard and have high melting and boiling points
evaporation
combination reaction
transition metals
stoichiometry
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
double displacement reaction
decomposition reaction
hydrocarbons
kinetic molecular theory of gas
41. Metals that have low melting points
electron affinity
electronegativity
atomic mass unit
poor metals
42. Hydrocarbons that include carbon - carbon triple bonds
semi - metals
alkynes
alpha decay
H2O
43. Anything that has mass and takes up space
noble gas
neutron
alkali metals
matter
44. 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
acid
kinetic molecular theory of gas
bases
chemical reaction
45. Distilled water - which has the ph level of 7
ph neutral
protons
NaCl
alkali metals
46. The decay of a nuclei which results in the emission of certain particlces
ion
radioactive decay
ionic bond
atomic radius
47. The way of ordering the periodic table based on how many protons there are
periods
covalent bond
kinetic molecular theory of gas
ion
48. Radioactive decay in which half of a sample decays
organic compounds
alkaline earth metals
beta decay
half - life
49. Small component of an atom that has no electrical charge
neutron
nucleus
ionic bond
periods
50. Hydrocarbons that have single bonds with a prefix to show the number of carbon atoms - like methane - ethane - propane - butane - pentane - and hexane
alkanes
atomic mass unit
double displacement reaction
atom