Answer=c
Atoms dont "lose" or "gain" protons, if they did, they'd be completely different elements. So basically, anything with 13 protons is a form of Aluminum.
Answer:
Correct answer is b) convex mirror
Explanation:
A convex mirror, which bulges outward, reflects at a wider angle near its edges than at its center, creating a slightly distorted image that's smaller than actual size. Convex mirrors have many uses. The smaller size of the images means that you can see more with these surfaces, hence their use in safety mirrors.
1) All matter is made of atoms. 2) Atoms are indivisible and indestructible.
Answer:
A
Explanation:
because number of particle = moles × 6.02 × 10^23
which gives the answer as an A