A 22.22g substance needs 7,000 J of heat to increase the temperature by 16.6 degrees Celsius. What is the object’s specific heat? A: 9369.88
B: 5229.52
C: 2,581,964
D: 18.98

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

The number at the end of an isotope’s name is the number.