Which elements are metalloids? Check all that apply. ⇒boron≈
⇒tungsten≈
⇒aluminum≈
⇒bismuth≈
⇒silicon≈
⇒tellurium≈
⇒tin≈

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

What type of matter is made of only one kind of atom

Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope