Answer:
Percent composition by element
Element Symbol # of Atoms
Hydrogen H 5
Carbon C 3
Nitrogen N 3
Oxygen O 9
Answer:
The egg will gain mass.
Explanation:
Eggs soaked in distilled water will gain mass and appear dramatically swollen.
Some fossils provide clues to the environment and climate of the time the organism lived.
Answer:
Option 2:
The warmth of the spoon is conducted to the ice cream making it easier to scoop out.
Explanation:
Conduction refers to the transfer of heat from a hotter body to a cooler one, by virtue of physical contact between the two bodies. This is opposed to radiation, where there does not need to be any contact between the two bodies before heat con flow.
The warm spoon, once it has physical contact with the cool ice cream, it loses some of its heat to the ice cream, warming it up, making it easier to scoop up.
Answer: B
Refer:
Because water molecules are polar, they interact with the sodium and chloride ions. In general, polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes. This concept is often expressed as “Like dissolves like.