Answer:
Volume is the amount of space taken up an object.
Answer:
water - Yes because the do drink water
Air - yes they need to breath or alse they would not do good
warmth - yes or they die from coldness
Light - yes to get there food
soil - yes nution for there roots
Explanation:
Hopes it helps
Helium (He)
Explanation:
In the picture we see the following elementary particles:
2 electrons - the two spheres with negative charge which orbit around the nucleus
2 protons - the two spheres with positive charge in the nucleus
2 neutrons - the two spheres with no charge in the nucleus
The element will be Helium (He), because it have the atomic number 2 and the mass number 4, which means it contains 2 electrons, 2 protons and 2 neutrons.
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Answer:
B. the products have a smaller number of available energy microstates than the reactants.
Answer:
Solvent is the that part of solution which is present in large proportion and have ability to dissolve the solute.
Explanation:
Definition:
Solvent is the that part of solution which is present in large proportion and have ability to dissolve the solute. In simplest form it is something in which other substance get dissolve. The most widely used solvent is water, other examples are toluene, acetone, ethanol, chloroform etc.
Water is called universal solvent because of high polarity all polar substance are dissolve in it. Hydrogen is less electronegative while oxygen is more electronegative and because of difference in electronegativity hydrogen carry the partial positive charge while oxygen carry partial negative charge.
Water create electrostatic interaction with other polar molecules. The negative end of water attract the positive end of polar molecules and positive end of water attract negative end of polar substance and in this way polar substance get dissolve in it.
Example:
when we stir the sodium chloride into water the cation Na⁺ ions are surrounded by the negative end of water i.e oxygen and anion Cl⁻ is surrounded by the positive end of water i.e hydrogen and in this way all salt is get dissolved.
