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