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