Quiz 2A

* Question Completion Status: QUESTION 7 Determine the number of protons, number of electrons, number of neutrons, atomic number, and mass number for the isotope O84, 84, 84, 126, 210 O 84, 84, 126, 84, 210 84, 210, 84, 126, 210 O84, 126, 84, 126, 84 QUESTION 8 What element has this electron configuration? 1s 22s 22p 63s 23p 2 O gallium O aluminum magnesium silicon QUESTION 9 210 84 Po.

QUESTION 4 Which elements have the highest first ionisation energies? those on the right side of the periodic table O halogens noble gases O alkali earth metals O the transition elements

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A Moving to another question will save this response. Question 5 WE This equation represents the formation of a typical ion from which group of the Periodic Table ? M: M²+ + 2 e² OA. 1A OB. 2A O C. 3A OD. 6A A Moving to another question will save this response. Class Lab Session....docx ^ PDF Document5.pdf PDF LAB3.pdf OLD H JA

Question number 8 please

Prompt:  Jeremy was completing his homework.  His father took a look at his homework and asked him about his assignment.  Jeremy told him the element Sodium had the chemical symbol So, atomic number of 13, and an overall positive charge.  He also said the element had 8 protons, 9 neutrons, and 9 electrons.

Which element is NOT a main group element?   Question 3 options:   Ca   Pb   Fe

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Question 5 Students conducted a lab experiment to observe the properties of four elements. The results of their observations are summarized in the table below. Based on the information, Sample 3 would be best classified as a(n) – Element Properties Sample Malleable Ductile Reactive Electrical Conductivity 1. yes yes yes high yes yes yes low 3 negligible no no yes 4 high no no no O alkali metal O halogen non-metal noble gas O transition metal

Rubidium has an atomic number of 37 and a mass number of 85. How many protons, neutrons, and electrons does an ion of rubidium with a 1+ charge have? (1 point) O 48 protons, 37 neutrons, and 36 electrons O 37 protons, 48 neutrons, and 36 electrons O 37 protons, 48 neutrons, ar 38 electrons O 48 protons, 37 neutrons, and 38 electrons acer

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Draw a model of a nitrogen (N) atom. The atomic number of N is 7. How many electrons are in  an uncharged N atom?   Question 6 options:   2   3   4   5   6   7   8

Question #4

Ⓒ Macmillan Learning Using the periodic table, identify the name and symbol of the three neutral atoms given their atomic numbers and masses. The neutral atom with an atomic number of 1 and a mass number of 1. name: The neutral atom with an atomic number of 12 and a mass number of 24. name: Magnesium atomic symbol: name: Carbon atomic symbol: The neutral atom with an atomic number of 6 and a mass number of 12. atomic symbol: 0

Decide which element probably forms a compound with oxygen that has a chemical formula most and least similar to the chemical formula of the compound formed by oxygen and sodium. Comparing chemical formula of compound formed with oxygen: strontium lithium phosphorus barium most similar to sodium least similar to sodium I Don't Know Submit Terms of Use O 2020 McGraw-Hill Education. All Rights Reserved. Privacy JAN étv MacBook Pro & ) ! @ 8 4 2 de { R ] G D N M B option command rol option command

Atomic Structure practice The purpose of this assignment is to help you become more familiar with the atomic structure of some common elements by completing the chart below. For each element you have been given enough information to fill all of the blanks. Isotopic Atomic # Symbol Isotopic Mass # # Protons %23 # Valence Name neutrons electrons elec. 2 4 12 12 30 65 Br 80 35 Aluminum-27 13 14 U 146 92 11 12 48 36 Krypton-84 40 20 Ca 47 61 Ag

V Student Portal - Seattle x C Clever | Portal E Class Score Detail 9 Schoology N Chemistry A - Period 6 x A districtims.seattleschools.org/common-assessment-delivery/start/4732295265?action3Donresume&submissionld%=D443170581 Use the pictures below to the answer question. Choose the two elements located on the second group (column) of the periodic table O 3 O 4 O 5 O 6 Schoology- Googl. O O O 0 O O

What does the following element description actually mean? N+1 1. a sodium atom with 11 protons, 10 electrons, and 11 neutrons 2.a nitrogen atom with 6 protons, 14 electrons, and 7 neutrons 3.a sodium atom with 12 protons, 11 electrons, and 11 neutrons 4.a nitrogen atom with 7 protons, 6 electrons, and 7 neutrons 5.none of the above

Which of the following statements accurately describes electrons? Multiple Choice   They are found inside the nucleus and have a positive charge.   They are in orbitals outside the nucleus and have a positive charge.   They are found inside the nucleus and have a negative charge.   They are in orbitals outside the nucleus and have a negative charge. Which of the following has the smallest mass? Multiple Choice   An electron   An atomic nucleus   A proton   A neutron When diagramming an atom, the innermost shell is filled with ______ electrons. Multiple Choice   two   six   eight   tenAnything that has mass and occupies space is considered to be ________.   Within the periodic table, elements are organized consecutively by   Multiple Choice   atomic mass within columns.   atomic mass within rows.   atomic number within columns.   atomic number within rows. On the periodic table, beryllium sits above magnesium and to the right of…

What is the atomic number for the element that is in group VIIB(7) and period 4? Atomic number = 25 What is the atomic number for the element that is in group VIIA(17) and period 5? Atomic number = What is the atomic number for the element that is in group VIB(6) and period 4? Atomic number What is the atomic number for the element that is in group IA(1) and period 1? Atomic number = Submit Answer Retry Entire Group 9 more group attempts remaining 6:42 ENG 5/8/2