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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. The number of protons/electrons within an atom
HCL
atomic number
chemical reaction
beta decay
2. The smallest form of a particle
atomic radius
valence shell
atom
ph neutral
3. Measures of an attraction that an atom has ffor electrons in a chemical bond
poor metals
halogens
HCL
electronegativity
4. The bond formed when an anion and a cation unite and form a chemical reaction
ionic bond
electronegativity
neutron
noble gas
5. Hydrochloric acid
ionization energy
decomposition reaction
half - life
HCL
6. 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
NH3
ionization energy
NaCl
7. The way a periodic table is ordered in columns based on how many electrons are in the outer shell
chemical reaction
groups
alkali metals
alkanes
8. When a compound breaks down into two or more substances by heating - like the break down of mercury oxide
decomposition reaction
semi - metals
neutralization reaction
NH3
9. Small component of an atom that has no electrical charge
alpha decay
atomic number
transition metals
neutron
10. 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
alkynes
double displacement reaction
NaCl
neutralization reaction
11. 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
groups
electrons
decomposition reaction
12. Distilled water - which has the ph level of 7
bases
chemical reaction
poor metals
ph neutral
13. Hydrocarbons that involve carbon - carbon double bonds
alkenes
electronegativity
molecules
transition metals
14. The chemical potential for hydrogen - which determines whether or not a chemical is an acid or base
HCL
alkanes
pH
bases
15. Radioactive decay in which half of a sample decays
transition metals
half - life
H2O
cations
16. The center of an atom - which contains protons and neutrons
NH3
nucleus
gamma decay
beta decay
17. The process of balancing chemical equations
nucleus
sublimation
stoichiometry
groups
18. The transition from a gas into a solid
alkynes
neutron
gamma decay
deposition
19. The way of ordering the periodic table based on how many protons there are
valence shell
single displacement reaction
beta decay
periods
20. Sodium
alkenes
noble gas
NaCl
alkanes
21. When two reactants form one product - like sulfur dioxide by burning sulfur in the air
alpha decay
covalent bond
poor metals
combination reaction
22. Metals that have low melting points
ph neutral
bases
hydrocarbons
poor metals
23. Metals that conduct electricity
semi - metals
decomposition reaction
sublimation
nonmetals
24. Small component of an atom that has a positive electrical charge
noble gas
double displacement reaction
protons
bases
25. 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
alkaline earth metals
electron affinity
HCL
halogens
26. Radioactive decay in which a beta particle - aka an electron - is emitted
ion
miscibility
beta decay
ph neutral
27. A chemical that is sour and stings and receives positive charged atoms when they are dissolved in water
double displacement reaction
alkaline earth metals
acid
deposition
28. The different forms of an electron based on their neutrons
ph neutral
anions
electrons
isotopes
29. Radioactive decay that leads to the emission of gamma particles
NH3
nucleus
radioactive decay
gamma decay
30. Radioactive decay that leads to an emission of Helium -4 ion
alpha decay
electronegativity
alkenes
matter
31. Metals like calcium that produce alkaline solutions when combined with water. Part of Group IIA. Have two electrons in their outer shells
protons
alkaline earth metals
alkanes
kinetic molecular theory of gas
32. Hydrocarbons that include carbon - carbon triple bonds
alkynes
groups
combination reaction
decomposition reaction
33. An atom that has an electrical charge
nucleus
protons
atom
ion
34. Hydrocarbons that have single bonds with a prefix to show the number of carbon atoms - like methane - ethane - propane - butane - pentane - and hexane
combination reaction
alkanes
transition metals
poor metals
35. 1.66 x 10^-24 g
decomposition reaction
atomic mass unit
semi - metals
isotopes
36. Ammonia
bases
NH3
semi - metals
organic compounds
37. Negative charged ions
anions
bases
miscibility
neutralization reaction
38. The outer electron in a shell
nucleus
evaporation
valence shell
semi - metals
39. A specific type of double deplacement when an acid reactts with a base to form salt and water
kinetic molecular theory of gas
valence shell
ionization energy
neutralization reaction
40. Move around the nucleus at the speed of light and have a negative charge
atomic radius
noble gas
transition metals
electrons
41. The conversion of a gas back into a liquid
poor metals
alpha decay
double displacement reaction
condensation
42. Positive charged ions
poor metals
transition metals
cations
alpha decay
43. The conversion of liquid into a gas
atom
valence shell
evaporation
semi - metals
44. Occurs when one compound is replaced by an atom of another element like zinc metal
single displacement reaction
alpha decay
decomposition reaction
poor metals
45. The degree that two liquids can mix together
atom
alpha decay
poor metals
miscibility
46. Substances that create hydroxide ions - have a pH level higher than 7 - and can conduct electricity
covalent bond
bases
NaCl
protons
47. Chemicals like sodium that react with water to make alkaline solutions. Part of Group IA. They easily lose their valence electrons to become +1
NH3
alkali metals
deposition
NaCl
48. Metals that have a variety of property that include carbon - nitrogen and oxygen vital to the earth
combination reaction
neutron
NaCl
nonmetals
49. Water
valence shell
acid
H2O
alkali metals
50. Components made up of a combination of atoms
groups
molecules
alpha decay
NH3