SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Basic Chemistry
Start Test
Study First
Subjects
:
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. Substance made of two or more elements & none of which is carbon
inorganic compound
radioactive isotope
matter
product
2. Indicates the formation of new substances from previous substances
element
product
valence electrons
chemical reaction
3. The starting materials for a reaction; found on left side of chemical equation
neutron
reactant
nucleus
nucleus
4. Occurs when atoms transfer electrons to other atoms
atom
ionic bond
proton
chemical reaction
5. Shows the number and types of atoms in a molecule and how they are arranged
chemical reaction
nucleus
inorganic compound
structural formula
6. A covalent bond in which four valence electrons are shared between two atoms
atomic number
reactant
double bond
structural formula
7. Substance containing two or more elements chemically combined in a fixed ratio
compound
organic compound
double bond
molecule
8. Subatomic particle having a negative charge; not in nucleus but surrounds it
structural formula
single bond
chemical reaction
electron
9. A pure substance that cannot be broken down into other substances by chemical reactions
element
covalent bond
organic compound
product
10. Subatomic particle without a charge; found in nucleus
compound
covalent bond
ion
neutron
11. Substance containing two or more elements chemically combined in a fixed ratio
single bond
neutron
compound
valence electrons
12. Subatomic particle having a positive charge; found in nucleus
proton
product
single bond
element
13. Substance made of two or more elements & none of which is carbon
chemical reaction
atomic number
isotope
inorganic compound
14. Anything that occupies space and has mass
valence electrons
single bond
ionic bond
matter
15. Atoms having the same numbers of protons but different numbers of neutrons
double bond
structural formula
isotope
product
16. The smallest particle of an element that retains the properties of the element
atom
covalent bond
radioactive isotope
electron
17. Electrons in the outermost energy level; they are involved in bond formation
valence electrons
isotope
matter
atomic number
18. Indicates the number and types of atoms in a molecule
atom
neutron
chemical formula
ion
19. Shows the number and types of atoms in a molecule and how they are arranged
structural formula
nucleus
compound
organic compound
20. The starting materials for a reaction; found on left side of chemical equation
radioactive isotope
reactant
covalent bond
product
21. Atoms having the same numbers of protons but different numbers of neutrons
isotope
product
double bond
product
22. An unstable atom in which the nucleus decays (breaks down) releasing particles and energy
nucleus
radioactive isotope
reactant
isotope
23. Atoms that are held together by covalent bonds
valence electrons
radioactive isotope
molecule
chemical reaction
24. Subatomic particle having a positive charge; found in nucleus
proton
inorganic compound
single bond
valence electrons
25. A pure substance that cannot be broken down into other substances by chemical reactions
inorganic compound
reactant
element
atomic number
26. Substance made of two or more elements & one being carbon
ionic bond
atomic number
organic compound
valence electrons
27. A covalent bond in which four valence electrons are shared between two atoms
double bond
molecule
ionic bond
reactant
28. Identifies a specific element; equals the number of protons in an atom of each element
compound
chemical reaction
atomic number
chemical formula
29. Substance made of two or more elements & one being carbon
organic compound
proton
proton
chemical formula
30. Identifies a specific element; equals the number of protons in an atom of each element
atom
atomic number
ionic bond
proton
31. Atoms that have lost or gained electrons
organic compound
ion
chemical formula
nucleus
32. Protons and neutrons together; make up the center of an atom
ionic bond
nucleus
organic compound
atomic number
33. Atoms that are held together by covalent bonds
organic compound
ion
molecule
reactant
34. Interaction of substances that lead to the formation of new substances
single bond
chemical reaction
neutron
matter
35. Anything that occupies space and has mass
chemical reaction
covalent bond
matter
product
36. Ending materials of a reaction; found on right side of chemical equation
structural formula
inorganic compound
product
radioactive isotope
37. Occurs when atoms transfer electrons to other atoms
chemical reaction
chemical formula
ionic bond
single bond
38. An unstable atom in which the nucleus decays (breaks down) releasing particles and energy
element
radioactive isotope
product
reactant
39. Occurs when atoms share electrons
electron
atomic number
structural formula
covalent bond
40. Atoms that have lost or gained electrons
chemical formula
organic compound
ion
atom
41. Indicates the formation of new substances from previous substances
organic compound
proton
inorganic compound
chemical reaction
42. The smallest particle of an element that retains the properties of the element
ion
single bond
atom
matter
43. Protons and neutrons together; make up the center of an atom
radioactive isotope
molecule
ion
nucleus
44. Subatomic particle having a negative charge; not in nucleus but surrounds it
ionic bond
chemical formula
electron
nucleus
45. A covalent bond in which one pair of electrons is shared
single bond
chemical reaction
atomic number
double bond
46. A covalent bond in which one pair of electrons is shared
single bond
chemical reaction
inorganic compound
atom
47. Subatomic particle without a charge; found in nucleus
neutron
reactant
atomic number
organic compound
48. Interaction of substances that lead to the formation of new substances
chemical reaction
nucleus
molecule
atomic number
49. Occurs when atoms share electrons
inorganic compound
proton
covalent bond
isotope
50. Indicates the number and types of atoms in a molecule
atomic number
atomic number
chemical formula
matter