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