Metalloids are all solid at room temperature<span>. Some metalloids, such as silicon and germanium, can act as </span>electrical<span> conductors under the right conditions, thus they are called semiconductors. Silicon, for example, appears lustrous but is not malleable or </span>ductile<span> (it is brittle - a characteristic of some nonmetals).
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Answer:
see the pic for the answer
thermal energy is another name for it
Answer:
The answer to your question is 2, 5, 4, 2
Explanation:
Data
Unbalanced chemical reaction
C₂H₂ + O₂ ⇒ CO₂ + H₂O
Reactants Elements Products
2 Carbon 1
2 Hydrogen 2
2 Oxygen 3
Balanced chemical reaction
2C₂H₂ + 5O₂ ⇒ 4CO₂ + 2H₂O
Reactants Elements Products
4 Carbon 4
4 Hydrogen 4
10 Oxygen 10
The coefficients of the balanced equations are 2, 5, 4, 2
Answer:
U could use the formula
Explanation:
To calculate the number of atoms in a sample, divide its weight in grams by the amu atomic mass from the periodic table, then multiply the result by Avogadro's number: 6.02 x 10^23
