The patient developed symptoms, such as nausea and vomiting, diarrhea, abnormal heart rhythm, muscle cramps, tingling of fingers and toes. The patient's doctor detected large amount of atom containing 33 protons from patient's blood sample. What is the identity of this element? O Hg O CI (Chloride) O Ni O As Question 24 How many electrons are in a neutral atom of Silicon (Si)?

Ular) react together to produce new The first step in writing balanced chemical reactions is identifying the substances in the reaction and labeling them as elements, molecular compounds or ionic compounds. Based on the type of substance it is, you then write the correct formula from the given name. Element: a single type of atom or a diatomic element. Recognized in the description as a single element name by itself. Elements are always neutral (they have no charge). Check if a diatomic element. Molecular compound: made of two nonmetal atoms. Greek prefixes in the name indicate the number of each type of atom in the formula. lonic compound: made of a cation and anion. Recognized because they start with a metal or ammonium. Need the charges of the ions to determine the formula of the neutral compound. For each chemical name below label it as an element (E), molecular (M), or ionic (I) and then write the correct formula for the substance on the line next to it. 1. Aluminum reacts with…

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On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally occurring tin atoms. a) How many atoms of 124 Sn are present in 42.7 g of a natural sample of tin? 124 Sn: 1.491e24 atoms Scientific Notation: 1.491 x 1024 Helpful tip: To enter a number in scientific notation, enter 0E5 or 1.0e5, for 1.0 x 105 where the E# (or e# ) denotes 10# b) Considering 124 Sn has an isotopic mass of 123.905 amu, calculate the mass of this isotope in the sample. Mass: 8.0 g

Symbol Abundance in Nature Protons: Periodic Table Neutrons: Electrons: H. Не Li Be C Ne My Isotope Symbol Carbon-13 Abundance in Nature +1 Stable O Mass Number 13 Neutrons Atomic Mass (amu)

Please try to solve the questions 3 and 4 on the picture

if a gold atom has a radius of 145 pm and you could string gold atoms like beads on a thread, how many atoms would you need to have a necklace 36 cm long

Hi! I am on the study section that my teacher has provided to help us prepare for our test tomorrow if we choose to use it! I am having a hard time with this question and would like to get a better understanding before the test tomorrow.

Question 37 of 39 Drop Calculated charge (el) 6.44 x 10-14 el 2.30 x 10-14 el C 3.22 x 10-14 el 1.84 x 10-14 el Given the results of the scientist's experiment, determine the charge on an electron in electrinos. electron charge: el Given that the charge on an electron is 1.60 x 10-19 C, determine the conversion factor between electrinos and coulombs. 1C = el 15 A tv P w