just need help with sodium and aluminum, for the boxed arrows.

Q: 5 g of anhydrous strontium nitrate is added to a beaker and exposed to the air. After several hours…

A: The percentage of water in hydrated sample is given as : Percentage of water = ( mass of water /…

Q: and bismuth ion lution

A:

Q: How can rare earth elements cause water pollution?

A: In the periodic table, the rare earth elements are the elements present in the lanthanide series of…

Q: Describe the general characteristics of metals.

A: Introduction: In the periodic table, all elements can be classified into three categories, 1.Metal:…

Q: copper and other minerals, what imaging technique

A: Ans. EPMA is electron probe microanalysis or also known as wavelength-dispersive electron microprobe…

Q: An oxide in Period 3 reacts with NaOH and HCl to form salts. What is the formula of the oxide A CO:…

A: A multiple choice question based on periodic table, which is to be accomplished.

Q: 4. Identify the Z + 8 element for Si.

A: 4.   Given: Element is Silicon (Si) We have to find the element which is Z+8 for Si

Q: REMEMBER... lonic Bond Covalent Bond between a Metal and Non-Metal between a Non-Metal and Non-Metal…

A: Ionic Bond : When the bond is formed by complete transfer of some valence electrons from one atom to…

Q: Which of the following elements is a metal? O о As I Sn Se

A: To solve this problem we have to identify the given elements as metals

Q: Elemental phosphorus is tetratomic. Why?

A: Phosphorous is a element with large atomic size.

Q: 1) How do we know that air is not a single substance? 2) Metals have many similar properties, but…

A: In this review we will examine several basic concepts of matter and materials, from the…

Q: Part C: Copper. A 0.275 M solution of Cu^2+ gives an absorbance reading of 0.788 at 620 nm. Another…

A: The concentration for given second solution is calculated by using Beer’s and Lambert’s law. The…

Q: To make this KNOWN solution, 0.1632 g was mixed with water (to the mark) in a 100.mL volumetric…

A:

Q: Why is zinc not regarded as a transition element?

A: Transition metal has incomplete d subshell in one or more than one oxidation state.

Q: Select all the properties that you would expect a nonmetal element to have. ductile Olow melting…

A: Based on some properties elements are classified into three groups 1. Non metals 2. Metals 3.…

Q: Which is true elemental potassium? A. It is a nonmetal B. It is a group II element C. It is a liquid…

A: Potassium is an element present in along with the alkali metals in the first group of periodic…

Q: What are heavy metals? Give examples.

A: Metals: These are the substances that are having properties like good electric conductivity, High…

Q: Predict which test tube (A, B, or C) will glow the longest. Briefly explain your reasoning.

A: Solutions- There are three test tubes A, B, and C.

Q: A chemist prepares a solution of mercury(II) lodide (Hgl,) by measuring out 0.00033 umol of…

A: Given :-  No. of moles of HgI2 = 0.00033 umol  Volume of solution = 150. mL  To calculate :…

Q: Which of the following is a transition metal? Iron (Fe) Sodium (Na) Aluminum (Al) Calcium (Ca)

A:

Q: Find Molecular Formula of hydrated barium hydroxide (Ba(OH)2·xH2O). Given, Mass of empty beaker and…

A: Mass of hydrated complex, (Ba(OH)2·xH2O) = 5.0 g Mass of anhydrous complex, Ba(OH)2 = 2.28 g   The…

Q: Nonmetals are completely OP Positę to metals in a lot of ways. Usually, nonmetals are $4eays by…

A: Element can be classified as metal or non metal or metalloid

Q: what would be the volume of a peice of osium metal if it had the same mass as a piece of tin with a…

A: The volume of tin metal, V1 = 9.25 cm3 The volume of osmium metal, V2 = ? cm3

Q: tor HCI A в с ČI

A: The question is based on the concept of organic reactions.   we have to identify the Product formed…

Q: K(s) Ca(s)

A: A question based on electrochemical series, which is to be accomplished.

Q: metal, semi metal, or non metal? low density ? can behave live a metal or non metal? malleable?…

A: The periodic table is differentiated into metals, non-metals, and semi-metals (metalloids). The…

Q: 3) which items listed below have a smaller radius than aluminum? B Cl Ga N S

A: The atomic radius of boron is smaller than aluminium being the first member of group 13 series.

Q: 3. Most salts contain a metal and a non-metal. Look at the compounds we tested and explain how we…

A: Salts are chemical compounds with the same number of positive and negative charges, a net charge of…

Q: Solve the following equations   10/5 B + 1/0 n→? + 4/2 He 23/10 Ne → 23/11 Na + ? 121/51 Sb + ?…

A: Solved in step 2.

Q: Barium    +    water   =   ANSWER IN WORDS ONLY!!!

A: All group 1 and group 2 metals react with water to give respective hydroxides as they are basic.

Q: Group 15 elements Answer these questions about the group 15 elements. (1) Within this group, bismuth…

A:

Q: compounds. Then, a major shift happened. How did chemists increase the rate of discovery of the…

A: Antoine Lavoisier first one who tried to group the elements as metals and nonmetals. Then Wolfang…

Q: Chemistry How could you explain the difference in early and late transition metals using nickel as…

A: Generally, early transition-metals have strong resistance to undergoing reductive elimination to…

Q: (d) the ion with 74 electrons, 116 neutrons, and a +3 charge

A: Answer:Mass number of the element is always equal to the sum of number of protons and number of…

Q: Of the elements listed below, which one would be a poor conductor of heat and electricity? a) Mg b)…

A: Which element among the following Mg, CS, Se, Sn & Zn   is poor conductor of heat and…

Q: Which instrument can be used best to detect metals in Water like POTASSIUM?

A: potassium is very reactive element and it reacts even in water and air .

Q: Use the pictures below to answer the question. 6. Choose the two elements that are located on the…

A: Hence the correct answer is 2 and 3

Q: Part F The compound iron chloride can exist with either iron(II) ions or iron(IIl) ions. Conduct…

A:

Q: :S: This dot structure represents which of the following answers: O S^2- O (Ne] 35^2 3p^6 O S2+ O…

A: The given lewis structure  S-2 have total 18 electrons ,16 from sulfur And 2 from -2 charge.

Q: SO3 NO3 НРОА Mn04 Cd* Al*3 +2 Hg Pb** 21

A: names   SO3-2 NO3-1 HPO4-2 MnO4- Cd+2 Cadmium sulphite Cadmium nitrate Cadmium…

Q: one pair has significantly fewer similarities in chemistry than the other two pairs: Ca& Zn, Sc &…

A: A question based on introduction to chemistry that is to be accomplished.

Q: Describes the differences and similarities between solids, liquids and gases on a molecular level…

A: Solid - - > The substances which are having very high intermolecular forces between thier…