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