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