Q. Does the number of electrons equal the number of protons?
The number of electrons in a neutral atom is equal to the number of protons.
Q. What is the number of valence electrons equal to?
For neutral atoms, the number of valence electrons is equal to the atom’s main group number. The main group number for an element can be found from its column on the periodic table. For example, carbon is in group 4 and has 4 valence electrons.
Q. Are valence electrons and electrons the same?
Valence electrons are the electrons in the outermost shell, or energy level, of an atom.
Q. Is atomic number equal to valence electrons?
Explanation: Electrons are arranged in shells or energy levels. The atomic number is the total number of protons in the nucleus, which is equivalent to the total number of electrons – not just those in the valence shell.
Q. Why do transition metals have no valence electrons?
The transition elements are unique in that they can have an incomplete inner subshell allowing valence electrons in a shell other than the outer shell. Other elements only have valence electrons in their outer shell. This allows transition metals to form several different oxidation states.
Q. Why do d block elements have 2 valence electrons?
So generally, the transition metals’ valence electrons are usually 2, because the ns-orbital is already filled.
Q. Do D block electrons count as valence electrons?
Assuming only the electrons in the highest energy shells count toward the set of valence electrons (is that correct?), d-block is never in the highest energy shell, and so none of the electrons in the d subshells would ever count toward the valence electrons.
Q. Do you count d orbitals in valence electrons?
Re: don’t count the d-orbital electrons as valence electrons Answer: Count only the electrons in the same shell, that is, the outermost shell. For Xe and Br the s and p electrons are in the same shell, but d electrons are not in the outermost shell.
Q. Why does titanium have 4 valence electrons?
Titanium has four valence electrons. Valence electrons are generally the electrons located in the outermost shell of an atom and can be gained or lost in a reaction. Valence electrons can be determined by looking at the periodic table; because titanium is four columns from the left, it has four valence electrons.
Q. Why does titanium have 3 valence electrons?
d-block elements have number of valence electrons equal to their group number, which is equal to the number of electrons in the “valence shell”. This works if you are using the definition of valence shell to be the outermost shell. therefore answer is 3.
Q. Does titanium have 4 valence electrons?
Titanium has four valence electrons. Valence electrons are the s and p electrons in the outermost shell.
Q. What is the number of valence electrons in phosphorus?
5 valence electrons
Q. What’s the atomic number for phosphorus?
15
Q. Which isotope has 16 protons and 15 neutrons?
Phosphorus
Q. How many protons does P have?
Q. What element has 15 protons and 17 neutrons?
phosphorus-32
Q. What element has 15 protons and 15 electrons and 17 neutrons?
phosphorous
