3 years ago

What are the first 20 elements and their chemical symbols

1 answer:

6 0

Hydrogen (H)
Helium (He)
Lithium (Li)
Beryllium (Be)
Boron (B)
Carbon (C)
Nitrogen (N)
Oxygen (O)
Fluorine (F)
Neon (Ne)
Sodium (Na)
Magnesium (Mg)
Aluminum (Al)
Silicon (Si)
Phosphorus (P)
Sulfur (S)
Chlorine (Cl)
Argon (Ar)
Postassium(K)
Calcium(Ca)

You might be interested in

Why does Farm Bureau and other advocacy organization oppose any mandated labeling of biotech crops?

Step2247 [10]

Answer:

I’m. Nog sure

Explanation:

3 0

3 years ago

Calculate the potential V(r) for r>rb. (Hint: The net potential is the sum of the potentials due to the individual spheres.)

Marat540 [252]

Answer:

The potential for r > rb is equal to zero.