Answer:
2
Explanation:
symbol of postassium is k and there is no symbol k. so i guess no2
<h3><u>Answer;</u></h3>
Physical property
<h3><u>Explanation;</u></h3>
- A physical property is an aspect of matter that can be observed or measured without changing it. Examples of physical properties include color, shape, size, molecular weight and volume.
- A chemical property on the other hand may only be observed by changing the chemical identity of a substance, that includes whether it can undergo a certain chemical change
.
If 240 is the resistance, you can calculate the current by using I=V/R
