What does the 80 in bromine 80 represent?

What does the 80 in bromine 80 represent?

the mass # 80, it means the sum of the number of neutrons and protons in an atomic nucleus.

How many neutrons does bromine 82 have?

45 neutrons

How many protons does bromine 82 have?

35 protons

What element has a mass number of 80 and 45 neutrons?

#80 – Mercury – Hg.

What is the atomic mass of bromine?

79.904 u

What element has a 1+ charge with 36 electrons?

bromine atom

How many total electrons are in a Fe2+ ion?

24 electrons

What atom is most likely to form a 1 ion?

The alkali metals (shown in yellow) always form +1 ions.

What element forms a 3+ ion?

Cobalt

What ion does Sr form?

Compounds. In general, the chemistry of strontium is quite similar to that of calcium. In its compounds strontium has an exclusive oxidation state of +2, as the Sr2+ ion.

What is the Ion name for aluminum?

Al+3

Why does lead form 2+ and 4+ ions?

If the elements in Group 4 form 2+ ions, they lose their p electrons, leaving the s2 pair unused. For example, to form a lead(II) ion, lead loses its two 6p electrons, but the 6s electrons are left unchanged, an “inert pair”. This indicates that it is more difficult to remove the p electrons from lead than from tin.

Why the Valency of PB is 2?

The valency of the element represents the number of bonds that an atom can form as part of a compound. Valencies of lead (Pb) is 2,4. Since due to inert pair effect lead stable valency is +2.

Which is more stable Sn2 or Sn4?

The electronic configuration of Sn is 5s2 5p4. It can lose four electrons to achieve full filled configuration. Therefore, Sn. Due to this stable electronic configuration, Sn4+ is more stable than Sn2+.

Which is most stable Sn2+?

Owing to this,only the valence orbitals participate in bonding and thus this is known as inert pair effect. -Thus in the given question we can infer that Pb2+ is the most stable.

Which is more stable Pb2+ or Sn2+?

From top to bottom,lower oxidation state is more stable than higher one due to inert pair effect. Thus Pb,due to greater inert pair effect, show +2 as stable oxidation state rather than +4. On other hand inert pair effect is very less in case of Sn,thus +4 oxidation state is more stable than +2.

How do you know if an ion is stable?

The stability of ionic compounds depends on how easily one atom of the compound can gain electrons and how easily another atom of the compound can lose electrons….

1. Charge on the ions.
2. Size of the ions- larger the anion and smaller the cation, more is the stability of the compound.
3. Ease.

Which of the following is the most stable?

carbocations

Is SN 4 or SN 2 more stable?

Sn+4 is more stable than sn+2. The Electronic configuration of sn is 5s25p4. It can lose four electrons to achieve full filled configuration. Therefore, sn+2 lose 2 electrons to achieve full filled electronic configuration of sn+2 and become more stable.