A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) + B) 0 C) -
A) have an equal number of charged and noncharged particles. B) have an equal number of neutrons and protons. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Atomic Number B) Alphabetical Order C) Atomic Mass D) Discovery Date
A) Protons and Neutrons B) Neutrons C) Protons D) Valence Electrons
A) shape B) pH C) color D) density
A) eight protons in its nucleus. B) a total of eight protons and neutrons. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) neutrons. B) protons. C) protons plus the number of neutrons. D) protons plus the number of electrons.
A) They are usually gases. B) They are located in the left-most column of the periodic table. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
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) are nonreactive B) exist in all three states of matter in normal conditions C) have only 1 valence electron 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) number; mass B) color; smell C) mass;number D) location; ionization
A) 8 neutrons B) 12 neutrons C) 3 neutrons D) 6 neutrons
A) Alkali Metals B) Noble Gases C) Halogens D) Alkaline Earth
A) Noble Gases B) Akali C) Alkaline Earth D) Halogens
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkali
A) 5 B) 4 C) 3 D) 2
A) nonmetals B) metals C) metalloids
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) by date discovered B) according to atomic number C) According to atomic mass D) alphabetically
A) Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) neutrons B) protons C) nucleus D) electrons
A) color B) flammability C) pH D) reactivity
A) adding dye B) breaking C) crushing D) burning
A) vary within the same element B) can be observed with senses C) only can be seen in a few elements D) can only be observed by changing the substance
A) can be observes with the senses B) only can be observed in a few elements C) vary within the same element D) cn only be observed by changing the substance
A) physical B) chemical
A) physical B) chemical
A) it will float B) not enough information C) it will sink
A) hours B) grams C) kilograms D) meters
A) accurate B) both accurate and precise C) precise D) nethier accurate or precise
A) 100 B) 1,000 C) 1/1,000 D) 1/100
A) constant B) independent C) dependent D) control
A) length of study B) strawberries C) fertilizer D) growth
A) constant B) control C) independent D) dependent
A) tongs B) beaker C) stirring rod D) graduated cylinder
A) 0 B) 10 C) 13 D) 16
A) 35 B) 17 C) 19 D) 18
A) 12 B) 14 C) 26 D) 10
A) 18 B) 2 C) 10 D) 8
A) 5.7 amu B) 115 amu C) 57 amu D) 0.57 amu
A) 2 B) 1 C) 3 D) 4
A) Dalton B) Bohr C) Thomson D) Rutherford
A) Thomson B) Chadwick C) Rutherford D) Democritus
A) Rutherford B) Shrodinger and Heisenburg C) Thomson D) Bohr
A) Dalton B) Bohr C) Thomson D) Rutherford
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Dalton C) Chadwick D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electron number never changes.
A) negative charge B) larger mass C) positive charge D) smaller mass
A) electrons B) protons C) neutrons D) positrons
A) 3g/ml B) 72g/ml C) 0.33g/ml D) 1.33g/ml
A) 10.7g B) 24g C) 17.5g D) 0.094g |