| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.58 |
| Score | 0% | 72% |
An element in the physical state of __________ maintains a constant volume but their shape depends upon the shape of their container.
plasma |
|
solid |
|
liquid |
|
gas |
In the liquid state, molecules flow freely around each other and exist at a higher temperature range than the same substance in a solid state. Liquids maintain a constant volume but their shape depends upon the shape of their container.
A subatomic particle found in the nucleus of an atom. It carries no electric charge. This desribes which of the following?
electron |
|
atom |
|
proton |
|
neutron |
A neutron is a subatomic particle found in the nucleus of an atom. It is neutral as it carries no electric charge.
Heat is always transferred from __________ to __________ environments.
warmer, cooler |
|
dense, empty |
|
empty, dense |
|
cooler, warmer |
Heat is always transferred from warmer to cooler environments and conduction is the simplest way this transfer can occur. It is accomplished through direct contact between materials and materials like metals that transfer heat efficiently are called conductors while those that conduct heat poorly, such as plastic, are called insulators.
Elements in the Periodic Table of the Elements are ordered by which of the following?
atomic number |
|
atomic weight |
|
number of electron shells |
|
atomic mass |
The Periodic Table of the Elements categorizes elements primarily by the number of protons in their nucleus (atomic number) and secondarily by the characteristics they exhibit.
Convert 5C° to F°.
-23 |
|
27 |
|
41 |
|
37 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)