Valence electron - Study guides, Class notes & Summaries

The outermost electrons - Answer-valence electrons the shell the outermost electrons occupy - Answer-Valence shell Electron pairs in an electron dot structure that are not participating in a chemical bond - Answernon-bonding pair the electric force of attraction between two oppositely charged ions - Answer-ionic bond The fluid hold of electrons which holds the positively charged metal ions together - Answer-metallic bond An electrical attraction in which atoms are held together by their mu...

Chapter 01 - Structure and Bonding 1. Give the ground-state electron configuration for carbon (atomic number 6). 1s22s22px12py1 or 1s22s22p2 2. Give the ground-state electron configuration for fluorine (atomic number 9). ANSWER: POINTS: 1 1s22s22px2 2py2 2pz1 or 1s22s22p5 3. Give the ground-state electron configuration for magnesium (atomic number 12). 1s22s22p63s2 4. How many electrons does silicon have in its valence shell? ANSWER: four POINTS: 1 Exhibit 1-1 Write valid Lewis (elec...

Protons correct answers defines the element; positive charge; equal to the atomic number Neutrons correct answers equal to mass number-number of protons; neutral charge Electrons correct answers negative charge; dependent on the charge of the atom Cations correct answers Positively charged ions Anions correct answers Negatively charged ions Isotopes correct answers when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed un...

20 milliamperes is the same as ________. (Remember, 1 milliampere = 0.001 ampere.) - Answer 0.02 amperes The orbital shell that has a maximum electron capacity of 18 electrons is the ___________ shell. - Answer Third A semiconductor material - Answer Has four valence electrons. The major factor for determining whether a particular element is a conductor, a semiconductor, or an insulator is - Answer The number of electrons in the valence shell. Elements that are called conductors - Answer ...

describe the basic functions all life forms must accomplish -response to environmental stimuli & maintain homeostasis -uptake and processing of nutrients/energy -regulation -growth and reproduction compare and contrast eukaryotic and prokaryotic cell types Prokaryotes: -circular chromosomes, no nucleus, no organelles, 3.5 bya -DNA concentrated in nucleoid Eukaryotes: -linear chromosomes, nucleus, organelles, 1.5 bya -DNA concentrated in nucleus Both: -cellular function takes p...

BIOL 111 FINAL TAMU – FLETCHER QUESTIONS AND ANSWERS 100% SOLVED The element present in all organic molecules is Carbon Cell membranes have distinct inside and outside faces. Which of the following statements is the most likely explanation for the membrane's asymmetrical nature? The two sides of a cell membrane face different environments and carry out different functions Which of the following statements is true about buffer solutions? They maintain a relatively constant pH when either aci...

Pearson Biology midterm Exam Questions and Answers scientific method - Correct Answer️️ -1. identify the problem 2. state your hypothesis 3. test your hypothesis 4. organize and analyze your data 5. form a conclusion spontaneous generation - Correct Answer️️ -the theory that living things can come from nonliving things 5 characteristics of living things - Correct Answer️️ -1. all living things are made up of cells 2. all living things collect energy and use it 3. all livi...

BAPA Exam 2 With More Detailed Correct Questions and Answers A+ 100% Excel what is the octet rule? - CORRECT ANSWER-Noble gases have 8 valence electrons and are the most stable elements. Other atoms react to form compounds that allow them to also have 8 valence electrons Why study electricity? - CORRECT ANSWER-Equipment we use in Audiology will usually convert acoustic signals into electrical signals Easier to record, manipulate, and reproduce Instruments such as audiometers, microphone...

How should ammeters be used to take measurements in a circuit - ANSWER-Connected in series with the circuit What will happen to the current in a circuit if the resistance is doubled - ANSWER-Current will be halved How do you measure voltage in a circuit - ANSWER-Meter must be parallel with volt being measured What is the outermost shell of an atom called - ANSWER-Valence shell The Nucleus of an atom contains what - ANSWER-Neutrons and protons Whats the E symbol represent in ohms l...

20 milliamperes is the same as ________. (Remember, 1 milliampere = 0.001 ampere.) - Answer 0.02 amperes The orbital shell that has a maximum electron capacity of 18 electrons is the ___________ shell. - Answer Third A semiconductor material - Answer Has four valence electrons. The major factor for determining whether a particular element is a conductor, a semiconductor, or an insulator is - Answer The number of electrons in the valence shell. Elements that are called conductors - Answer ...