For each atom in the table below, write down the subshell from which an electron would have to be removed to make a +1 cation, and the subshell to which an electron would have to be added to make a -1 anion. The first row has been completed for you. subshell from which electron removed to form +1 cation subshell to which electron added to form -1 anion atom H 1s Is Y Не Si

When sodium reacts with chlorine to form an ionic compound, each metal atom loses _____ electron(s) and each nonmetal atom gains _____  electron(s).   There must be ___(1,2,3) sodium atom(s) for every ___ (1,2,3) chlorine atom(s) in the reaction.

Part H Indicate the number of electrons lost or gained by oxygen and give the charge of the ion it forms.   Oxygen gains two electrons to form an oxide ion with a 2- charge. Oxygen loses two electrons to form an oxide ion with a 2- charge. Oxygen loses two electrons to form an oxide ion with a 2+  Charge. Oxygen gains two electrons to form an oxide ion with a 2+ charge

Which of the following is true of the halogens in periods two and three when comparing them to other elements in the same period? O Halogens have higher ionization energy than other elements within their periods. The electronegativity of halogens in higher than other elements within their period. O Halogens have larger atomic radii than other elements within their period. O Halogens have less ionizatrion energy than other elements within their periods

A monatomic ion with a charge of -2 has an electronic configuration of 1s22s22p63s23p64s23d104p65s24d105p6.This ion is a(n) _______cation anion.What is the chemical symbol of the noble gas this ion is isoelectronic with? Xe.What is the formula of the ion? Ba2+.

1- + 4 O Nucleus O Proton Neuton Shell O Electron Atom 3.

Identify the components of the ionic formula based on the name strontium phosphide. What is the symbol for the element that forms the positive cation? What is the symbol for the element that forms the negative anion? What is the subscript on the cation in the neutral formula? What is the subscript on the anion in the neutral formula?

Which of the following answer choices explains how Lewis-Dot structures are used in Chemistry? O Lewis-Dot Structures are used to illustrate the valence electrons of an atom. Valence electrons are represented as dots around the element symbol of the atom. O Lewis-Dot Structures are used to illustrate the core electrons of an atom. Core electrons are represented as dots around the element symbol of the atom. O Lewis-Dot Structures are used to illustrate the protons of an atom. Protons are represented as dots around the element symbol of the atom. O Lewis-Dot Structures are used to illustrate the neutrons of an isotope. Neutrons are represented as dots around the element symbol of the atom.

O east.cengagenow.com e: CHM 103_003 General Chemistry I C OWLV2 | Online teaching and learning resource from Cengage Learning 5:08 [References] Which of the following groups contains no ionic compounds? O CH,O, H2S, NH3 O KOH, CCI4, SF4 O HCN, NO2, Ca(NO3)2 O NaH, CaF2, NANH2 O PCI5, LiBr, Zn(OH)2 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt Submit Answer Try Another Version 5 item attempts remaining 1 pt 1 pt 1 pt 1 pt nent Cengage Learning Cengage Technical Support

For each atom in the table below, write down the subshell from which an electron would have to be removed to make a +1 cation, and the subshell to which an electron would have to be added to make a -1 anion. The first row has been completed for you. atom H Ca Zn I subshell from which electron removed to form +1 cation 1s 0 0 subshell to which electron added to form -1 anion x 1s 0