Hept for 7, hence the number is seven.
It is fresher because of new transportation techniques and refrigerated trailers.
To measure the mass of a given powdered substance do the following:
1. Zero the weighing balance, that is, put the weigh balance at zero mark.
2. Put an empty weighing paper on the balance and take its reading. Record it as X1.
3. Use spatula to put the powder you want to measure on the weighing paper on the balance. Take your reading and record it as X2.
The mass of the powered is X2 - X1.
Q. What type of radioactive decay involves two protons and two neutrons?
A. Alpha emission
Answer:
- covalent bond
- polar covalent bond
- ionic bond
- metallic bond
Explanation:
<h2>hope it helps you </h2><h2>.</h2><h2>.</h2><h2>.</h2><h2>.</h2><h2>.</h2><h2>.</h2><h2>Thank uu</h2>