B. The element nitrogen is made up only of nitrogen atoms.
Explanation:
Dalton stipulated , in his theory, that all the atoms of pure elements were identical. However different elements had different kinds of atoms that differ in their size and mass. The other stipulations of Dalton's theory were that atoms are the smallest unit of mass and were indivisible – this was later rebutted by advanced atomic theories .
Another major contribution by Dalton's theory is that chemical reactions involved the rearrangement of atoms observing the law of conservation of mass,
Answer:
C
Explanation:
Because i just had to do this on my assignment and got 100
Answer:
si. en los atomos los protones y los electrones llevan cargas electricas
The product is called carbon monohydroxide (CaOH+) ion. This is the only product if the solution is alkaline. The reactants are calcium (Ca2+) and hydroxide (OH-) ions. If the solution is acidic, hydrogen (H+) ion is also included in the product side of the equation.
Ca2+(aq) + OH-(aq) -> CaOH+(aq)