I think C. Ionic compounds are very difficult to break apart because they are fully negative or positive charges, like magnets.
D.) black text on a yellow background. There is much more contrast in the colors black and yellow than the other choices.
Answer:
yaeh
Explanation:
a)Ca(OH)
2
+CO
2
⟶CaCO
3
+H
2
O
No. of atoms:Ca−1;O−4;H−2;C−1
b)Zn+AgNO
3
⟶ZnNO
3
+Ag
No. of atoms:Zn−1;Ag−1;N−1;O−3.
Answer:
4 th image
Explanation:
water is being boiled n the 4th image indicating that the change between liquids and gasses is water vapor.
Answer:
Moving Across a Period
Moving from left to right across a period, the atomic radius decreases. The nucleus of the atom gains protons moving from left to right, increasing the positive charge of the nucleus and increasing the attractive force of the nucleus upon the electrons
