Problem: OPTIONS:
- electrons
- atoms
- isotopes
- ions
Q: Q: Which state of matter lacks a fixed volume, fixed shape, and consists of charged particles? A:
Answer: ions

Problem:OPTIONS:
- line glaciers
- deep glaciers
- icebergs
- valley glaciers

Q: Which type of glaciers form several unique features through erosion, including cirques, aretes, and horns? A:
****
A: valley glaciers

Q: The state of matter - solid, liquid, or gas - is also considered what type of property? A:
OPTIONS:
- thermal
- mechanical
- chemical
- physical
physical

Q: What is the name of the second most electronegative element? A:
OPTIONS:
- nitrogen
- Hydrogen
- carbon
- oxygen

Answer: oxygen

Question: Q: What is the initial stage of scienetific investigations? A:
OPTIONS:
- asking questions
- forming hypothesis
- making predictions
- observation
Answer: observation

input: OPTIONS:
- chloride nucleus
- hydrogen nucleus
- hydrogen nucleus
- helium nucleus Now, answer this question: Q: What is an alpha particle with two protons and two neutrons called? A:
A:
output:
helium nucleus