A) It is composed of electrons and neutrons B) It is composed of protons only C) It is composed of protons and electrons D) It is composed of protons and neutrons
A) + B) - C) 0
A) have an equal number of neutrons and protons. B) have an equal number of electrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) digesting food B) cooking eggs C) breaking a pencil D) burning wood
A) Alphabetical Order B) Atomic Mass C) Discovery Date D) Atomic Number
A) Protons and Neutrons B) Protons C) Neutrons D) Valence Electrons
A) shape B) pH C) color D) density
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) eight protons in its nucleus.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) neutrons. D) protons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are extremely nonreactive. D) They are located in the left-most column of the periodic table.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) They form compounds with very bright colors.
A) are all metals B) are nonreactive C) have only 1 valence electron D) exist in all three states of matter in normal conditions
A) On the right side. B) In the middle column of the periodic table. C) On the left-most side. D) In the bottom rows.
A) mass;number B) color; smell C) number; mass D) location; ionization
A) 6 neutrons B) 3 neutrons C) 8 neutrons D) 12 neutrons
A) Halogens B) Alkaline Earth C) Alkaline Metals D) Noble Gases
A) Alkaline Earth B) Akali C) Noble Gases D) Halogens
A) Halogens B) Noble Gases C) Alkali D) Alkaline Earth
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) 4 B) 3 C) 2 D) 5
A) metals B) nonmetals C) metalloids
A) Mendleev B) Einstein C) Mosely D) Ms. Watson
A) alphabetically B) according to atomic number C) According to atomic mass D) by date discovered
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) electrons B) protons C) neutrons D) nucleus
A) flammability B) reactivity C) color D) pH
A) density B) pH C) shape D) texture
A) crushing B) adding dye C) burning D) breaking
A) rusting B) breaking C) precipitate forming D) burning
A) can be observed with senses B) only can be seen in a few elements C) vary within the same element D) can only be observed by changing the substance
A) cn only be observed by changing the substance B) vary within the same element C) only can be observed in a few elements D) can be observes with the senses
A) physical B) chemical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) meters B) liters C) kelvin D) second
A) hours B) kilograms C) grams D) meters
A) precise B) nethier accurate or precise C) both accurate and precise D) accurate
A) 100 B) 1/1,000 C) 1/100 D) 1,000
A) dependent B) constant C) control D) independent
A) length of study B) strawberries C) growth D) fertilizer
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) constant B) independent C) dependent D) control
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 10 B) 0 C) 13 D) 16
A) 35 B) 17 C) 18 D) 19
A) 26 B) 14 C) 12 D) 10
A) 8 B) 10 C) 18 D) 2
A) 0.57 amu B) 57 amu C) 115 amu D) 5.7 amu
A) 2 B) 3 C) 4 D) 1
A) 89.6 mol B) 67.2 mol C) 2 mol D) 0.5 mol
A) 21.07 atoms B) 5.8x1022 atoms C) 1.72x1023 atoms D) 2.107x1024 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Rutherford B) Chadwick C) Thomson D) Democritus
A) Thomson B) Bohr C) Shrodinger and Heisenburg D) Rutherford
A) Dalton B) Rutherford C) Thomson D) Bohr
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Dalton B) Chadwick C) Bohr D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electrons are positively charged. C) Electron number never changes. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) larger mass B) smaller mass C) negative charge D) positive charge
A) neutrons B) positrons C) protons D) electrons
A) 72g/ml B) 0.33g/ml C) 1.33g/ml D) 3g/ml
A) 0.094g B) 10.7g C) 17.5g D) 16g |