Draw an atomic model from1 to 20 elements with their symbol valency and electronic configuration

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.