Answer:
1. went on the first manned launch during the Apollo mission
2. responsible for all spacecraft systems
3. 4500 hour
4. published All-American Boys
5. Joined back in space organization as a consultant to inspire next generation for mars
Answer: 3 significant figures
Explanation: because in scientific notation only the before and after decimal number are considered but in standard form all numbers including exponents are all significant figures
Answer:
Hello Friend, I've done my personal research, if the answer that's provided is incorrect, my apologies.
A. Oxygen and Sulfur.
Explanation: There are about 10 non metal elements on the periodic table. The pair (Oxygen and Sulfur) are both non metal.
Answer:
A
Explanation:
0.2g of atom of nitrogen is the one that weigh least cause of.2g is not up to one mole of nitrogen
Answer:
There are alot of facts but here are a few
Explanation:
Atoms:
There are 3 parts to an atom
Protons have a positive electrical charge
Atoms are the smallest particles to make an element
Elements:
Hydrogen is the most common element in the world
An element is a substance that is made entirely from one type of atom.
An element is a substance that cannot be broken down into any other substance.
