What is the electron configuration for an electrically neutral atom of beryllium (Be)? Use the periodic table.
1s²2s22p
1522s22p+
1s22s22p+4d2
O 15²25²

Which term best describes the form sound takes as it travels away from a drum (a- gas)(b-music) ( c-waves) (d-particles

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.