A)Arrange the elements in the increasing order of the properties mentioned below.
B, C, Si, N, F [non-metallic character]
b) The first ionisation energy of Na is lesser than Mg, but the second ionisation
energy of Na is more than Mg. Explain
c) IE1 of Be is higher than B. Give reason

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore