Watch this video and then answer the questions. CAMPBELL FIGURE WALKTHROUGH Energy levels of an atom's electrons (a) A ball bouncing down a figh of stairs can come to rest only on each step, not between steps Similarly an electron can exist between levels Third shell highest energy- Second shell higher energy leve Energy absorbed Energy lost Atomic nucleus An electron can move from one shell to another only if the energy it gains or loses is exactly equal to the difference in energy between the energy levels of the two shells. Anows in this model indicate some of the stepwise changes in potential energy that are possible Compare the three atom diagrams. Which one shows the electron with the highest potential energy? Atomic nucleus Atomic nucleus Atomic nucleus

le.com/document/d/1aV35WZHe72GRC05NgDa6otm70ZIPIBC-T2NiT7IwmOU/edit Chemical Reactions ☆ 回 G Tools Add-ons Help Last edit was 2 minutes ago E - E E I text Georgia 12 BIUA 7 3 4 5 I 6 The table below lists enzymes that function in different locations in the human body, and the temperature and pH ranges of these locations. Different enzymes are secreted in each of the three locations. Enzyme Location Temperature (°C) pH ptyalin mouth 36.7-37.0 6.5-7.0 pepsin stomach 37.3-37.6 1.0-3.0 trypsin small intestine 37.3-37.6 7.5-9.0 • Using the pH column in the chart, explain why pepsin can work in the stomach, but not the small intestines. State how a fever of 40°C would most likely affect the activity of these enzymes and support your answer using information from the temperature column in the chart. 27°F

figure2.3 the energy levels are spaced evenly apart when they should not be. based on calculated values for the energies of the transitions draw n=2 through n=6 to scale. label all energy levels

Atoms A and B interact to form a compound, AB2. When measured, atom A has a partial negative charge and atom B has a partial positive charge. From this information, we can conclude what? Select only ONE answer choice. Note: - means "approximately equal to" , A > B means "A is greater than B" , and A B: AB2 is hydrophilic Not enough information to answer the question

Describe 3 different types of energy.

Which of the following combinations describes the electron in the modern model of an atom? O negative charge and located in orbitals surrounding the nucleus Opositive charge and located in orbitals surrounding the nucleus negative charge and located in the nucleus Ono charge and located in the nucleus

How many valence electrons are present in the following atoms? Part C Li Express your answer as an integer. N = ΜΕ ΑΣΦΑ Submit Request Answer Part D P Express your answer as an integer. N = ΜΕ ΑΣΦ ← -> Submit Request Answer ? electrons electrons

The protons and neutrons are contained within the of the atom. O Electron Cloud Atomic Center Middle O Nucleus

Element Atomic Number Mass Number Number of Protons Number of Neutrons Number of Electrons Carbon-12   12 6     Nitrogen-14       7 7 Chlorine-35   35 17     Oxygen-16         8 Carbon-14

for which purpose salivary amylase helps in?