A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of protons only D) It is composed of electrons and neutrons
A) + B) - C) 0
A) have an equal number of neutrons and protons. B) have an equal number of electrons and protons. C) have an equal number of charged and noncharged particles. D) have neutrons in their nuclei.
A) digesting food B) cooking eggs C) burning wood D) breaking a pencil
A) Discovery Date B) Alphabetical Order C) Atomic Mass D) Atomic Number
A) Protons B) Neutrons C) Valence Electrons D) Protons and Neutrons
A) density B) shape C) pH D) color
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) neutrons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) protons.
A) They form negative ions with a -1 charge. B) They are located in the left-most column of the periodic table. C) They are usually gases. D) They are extremely nonreactive.
A) They are highly reactive with both metals and nonmetals. B) They form compounds with very bright colors. C) They are extremely rare in nature. 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 right side. B) On the left-most side. C) In the middle column of the periodic table. D) In the bottom rows.
A) mass;number B) location; ionization C) number; mass D) color; smell
A) 6 neutrons B) 12 neutrons C) 3 neutrons D) 8 neutrons
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali Metals
A) Alkaline Earth B) Noble Gases C) Halogens D) Akali
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) 3 B) 4 C) 2 D) 5
A) metalloids B) nonmetals C) metals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) According to atomic mass B) according to atomic number C) alphabetically D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) neutrons B) electrons C) nucleus D) protons
A) flammability B) pH C) color D) reactivity
A) burning B) breaking C) crushing D) adding dye
A) can only be observed by changing the substance B) can be observed with senses C) only can be seen in a few elements D) vary within the same element
A) vary within the same element B) can be observes with the senses C) only can be observed in a few elements D) cn only be observed by changing the substance
A) chemical B) physical
A) chemical B) physical
A) not enough information B) it will sink C) it will float
A) kilograms B) hours C) meters D) grams
A) precise B) both accurate and precise C) nethier accurate or precise D) accurate
A) 1/1,000 B) 100 C) 1/100 D) 1,000
A) independent B) constant C) dependent D) control
A) strawberries B) fertilizer C) length of study D) growth
A) constant B) dependent C) independent D) control
A) stirring rod B) tongs C) graduated cylinder D) beaker
A) 16 B) 0 C) 13 D) 10
A) 19 B) 35 C) 18 D) 17
A) 12 B) 26 C) 10 D) 14
A) 8 B) 2 C) 10 D) 18
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 4 B) 3 C) 1 D) 2
A) Rutherford B) Dalton C) Thomson D) Bohr
A) Chadwick B) Democritus C) Rutherford D) Thomson
A) Rutherford B) Shrodinger and Heisenburg C) Thomson D) Bohr
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Dalton B) Bohr C) Chadwick D) Rutherford
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) smaller mass C) larger mass D) negative charge
A) electrons B) neutrons C) positrons D) protons
A) 1.33g/ml B) 0.33g/ml C) 72g/ml D) 3g/ml
A) 24g B) 10.7g C) 17.5g D) 0.094g |