What are the s, p, d, f blocks on the periodic table?

Which virus is correctly matched with its capsid structure? A. Naked helical-poliovirus B. Enveloped helical-herpesvirus C. Enveloped icosahedral-Influenza virus D. Naked helical-Tobacco Mosaic virus

Substance X has a fixed volume, and the attraction between its particles is strong. Substance Y has widely spread out particles and can be compressed. What can most likely be concluded about these substances?

Aluminum metal reacts with sulfuric acid according to the equation:2Al (s) + 3H2SO4 (aq) - -> Al2 (SO4) 3 (s) + 3H2 (g) If 46 g of aluminum reacts with excess sulfuric acid, and 108 g of Al2 (SO4) 3 are collected, what is the percent yield for the

An electron has an uncertainty in its position of 630 pm.

The initial temperature of a 1.00 liter sample of argon is 20 Celsius. The pressure is decreased from 720 mm Hg to 360 mm Hg and the volume increases to 2.14 liters. What is the final temperature of the argon?

A main goal of most environmental scientists is to achieve? A - biodiversity B - cost-benefit balance C - sustainability D - supply and demand

Theo is skiing with his friends when he sees an avalanche warning sign. What type of hazard is this? A. Biological B. Chemical C. Social D. Physical

A red blood cell contains 4.0 107 free electrons. what is the total charge of these electrons in the red blood cell?

The coefficients in a chemical equation? A; show the valence electrons for each atom B; are the molar masses of the substances C; show the number of grams of each substance that react D; indicate the number of moles of each substance that react

In a hypothetical garden each of the identical trees consist of 11 branches and each on a tree consist of 35 leaves. How many trees would have 8,085 leaves?