1. +1
2. All isotopes are positively charged
3. Second option i think
4.Protons
5. atomic number
6.True
7.True
8.Second option
9,False
10.False I think
Thermal Energy<span>. </span>Thermal energy<span> is the internal</span>energy<span> of an object due to the kinetic </span>energy<span> of its atoms and/or molecules. The atoms and/or molecules of a hotter object have greater kinetic</span>energy<span> than those of a colder one, in the form of vibrational, rotational, or, in the case of a gas, translational motion.</span>
Answer:
96.1 grams of percent yield
1) Use a magnet to remove iron fillings. (Mix of salt and gravel left.)
2)Add water to the mixture of salt and gravel. Salt will dissolve in water.
3) Filtrate gravel. (Salted solution is left.)
4) Evaporate water, and salt will be left.
Nope. the electrons are what determine the reactivity