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