HESI A2 NEW FILE TESTED CHEMISTRY -2025/2026
1. A compound that is a Hydrogen or proton donor, corrosive to metals, causes blue litmus paper to
become red and becomes less acidic when mixed with a base is?
Acid
2. Mixture of 2 or more metals are?
Alloys
3. Acids:
Atomic #: # of protons in nucleus of an atom
4. Base?
A Hydrogen or proton ACCEPTOR & has hydroxide group in the makeup of the molecule pH less than 7.0
sour/tart
5. 3 types of radiation in nuclear chemistry?
Alpha, Beta & Gamma
6. Alpha radiation:
* Emission of Helium (He) ions in the nuclei
* Contains 2 protons & 2 neutrons.
* +2 Charge
* Largest radiation particle.
* Can be stopped by piece of paper
7. Type of Alloy in which another metal is dissolved in Mercury (Hg)?
Amalgam
8. Proteins are made up of?
Amino Acids
9. Glycogen is what kind of starch?
Animal Starch
11. Basic building block of a molecule?
Atom (NOT CELL!!)
12. Atomic mass?
Average mass of an elements isotope

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