Pure substance element I think
Answer
Gymnastics
Explanation:
for the simple fact that they do cool stuff
Answer:
Protons: 84
Neutrons: 127
Explanation:
The number of protons is the atomic number. The number of neutrons can be found by subtracting the proton number (84) from the isotope number (211)
4. Static, sliding,rolling,and fluid friction
Answer:
To prepare a 1 M solution, slowly add 1 formula weight of compound to a clean 1-L volumetric flask half filled with distilled or deionized water. Allow the compound to dissolve completely, swirling the flask gently if necessary.
Explanation:
have a great day ahead ♥️