Answer:
Isotopes are given by the name of the element and the mass number. ... We are given that boron-10 had five protons in its nucleus, and any element always has the same number of protons in its nucleus (atomic number). So boron-11 has five protons the same as boron-10
Helium is most likely to behave as an ideal gas when it is under 2) High pressure and low temperature.
Answer: B) Linda’s speed was slower than Meg’s speed
Explanation: Meg ran almost twice as fast as Linda since she took less time to finish the same amount of distance
Mass C₂H₂ needed : 22.165 g
<h3>Further explanation</h3>
Reaction
2C₂H₂+
5O₂ ⇒ 4CO₂ + 2H₂O
75.0 grams of CO₂ , mol CO₂ (MW=44 g/mol) :
mol C₂H₂ :
mass C₂H₂ (MW=26 g/mol) :
In any redox reaction, the substance that undergoes reduction will 3) <span> gain electrons and have a decrease in oxidation number.</span>
